20401923360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 1152

約数和(自身を含む): 87834378240

約数和(自身を除く): 67432454880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 26, 28, 30, 31, 32, 35, 38, 39, 40, 42, 48, 52, 56, 57, 60, 61, 62, 65, 70, 76, 78, 80, 84, 91, 93, 95, 96, 104, 105, 112, 114, 120, 122, 124, 130, 133, 140, 152, 155, 156, 160, 168, 169, 182, 183, 186, 190, 195, 208, 210, 217, 224, 228, 240, 244, 247, 248, 260, 266, 273, 280, 285, 304, 305, 310, 312, 336, 338, 364, 366, 372, 380, 390, 399, 403, 416, 420, 427, 434, 455, 456, 465, 480, 488, 494, 496, 507, 520, 532, 546, 560, 570, 589, 608, 610, 620, 624, 651, 665, 672, 676, 728, 732, 741, 744, 760, 780, 793, 798, 806, 840, 845, 854, 868, 910, 912, 915, 930, 976, 988, 992, 1014, 1040, 1064, 1085, 1092, 1120, 1140, 1159, 1178, 1183, 1209, 1220, 1235, 1240, 1248, 1281, 1302, 1330, 1352, 1365, 1456, 1464, 1482, 1488, 1520, 1560, 1586, 1596, 1612, 1680, 1690, 1708, 1729, 1736, 1767, 1820, 1824, 1830, 1860, 1891, 1952, 1976, 1995, 2015, 2028, 2080, 2128, 2135, 2170, 2184, 2280, 2318, 2356, 2366, 2379, 2418, 2440, 2470, 2480, 2535, 2562, 2604, 2660, 2704, 2730, 2821, 2912, 2928, 2945, 2964, 2976, 3040, 3120, 3172, 3192, 3211, 3224, 3255, 3360, 3380, 3416, 3458, 3472, 3477, 3534, 3549, 3640, 3660, 3705, 3720, 3782, 3952, 3965, 3990, 4030, 4056, 4123, 4256, 4270, 4340, 4368, 4560, 4636, 4712, 4732, 4758, 4836, 4880, 4940, 4960, 5070, 5124, 5187, 5208, 5239, 5320, 5408, 5460, 5551, 5642, 5673, 5795, 5856, 5890, 5915, 5928, 6045, 6240, 6344, 6384, 6405, 6422, 6448, 6510, 6760, 6832, 6916, 6944, 6954, 7068, 7098, 7280, 7320, 7410, 7440, 7564, 7657, 7904, 7930, 7980, 8060, 8112, 8113, 8246, 8463, 8540, 8645, 8680, 8736, 8835, 9120, 9272, 9424, 9455, 9464, 9516, 9633, 9672, 9760, 9880, 10140, 10248, 10309, 10374, 10416, 10478, 10640, 10920, 11102, 11284, 11346, 11590, 11780, 11830, 11856, 11895, 12090, 12369, 12688, 12768, 12810, 12844, 12896, 13020, 13237, 13520, 13664, 13832, 13908, 14105, 14136, 14196, 14560, 14640, 14820, 14880, 15067, 15128, 15314, 15717, 15860, 15960, 16055, 16120, 16224, 16226, 16492, 16653, 16926, 17080, 17290, 17360, 17385, 17670, 17745, 18544, 18848, 18910, 18928, 19032, 19266, 19344, 19760, 20280, 20496, 20615, 20618, 20748, 20832, 20956, 21280, 21840, 22204, 22477, 22568, 22692, 22971, 23180, 23560, 23660, 23712, 23790, 24180, 24339, 24583, 24738, 25376, 25620, 25688, 25935, 26040, 26195, 26474, 27040, 27664, 27755, 27816, 28210, 28272, 28365, 28392, 29280, 29640, 30134, 30256, 30628, 30927, 31434, 31720, 31920, 32110, 32240, 32452, 32984, 33306, 33852, 34160, 34580, 34720, 34770, 35340, 35490, 35929, 36673, 37088, 37820, 37856, 38064, 38285, 38532, 38688, 39520, 39711, 40560, 40565, 40992, 41230, 41236, 41496, 41912, 42315, 43680, 44408, 44954, 45136, 45201, 45384, 45942, 46360, 47120, 47320, 47580, 48165, 48360, 48678, 49166, 49476, 51240, 51376, 51545, 51870, 52080, 52390, 52948, 53599, 55328, 55510, 55632, 56420, 56544, 56730, 56784, 59280, 60268, 60512, 61256, 61845, 61854, 62868, 63440, 63840, 64220, 64480, 64904, 65968, 66185, 66612, 67431, 67704, 68320, 69160, 69540, 70680, 70980, 71858, 72163, 73346, 73749, 75335, 75640, 76128, 76570, 77064, 78585, 79422, 81120, 81130, 82460, 82472, 82992, 83265, 83824, 84630, 88816, 89908, 90272, 90402, 90768, 91884, 92720, 94240, 94640, 95160, 96330, 96720, 97356, 98332, 98952, 99541, 102480, 102752, 103090, 103740, 104160, 104780, 105469, 105896, 107198, 107787, 110019, 111020, 111264, 112385, 112840, 113460, 113568, 114855, 118560, 120536, 121695, 122512, 122915, 123690, 123708, 125736, 126880, 128440, 129808, 131936, 132370, 133224, 134862, 135408, 138320, 139080, 141360, 141960, 143716, 144326, 146692, 147498, 150670, 151280, 153140, 154128, 154635, 157170, 158844, 160797, 162260, 164920, 164944, 165984, 166530, 167648, 169260, 172081, 177632, 179645, 179816, 180804, 181536, 183365, 183768, 185440, 189280, 190320, 192660, 193440, 194712, 195871, 196664, 197904, 198555, 199082, 204960, 206180, 207480, 209560, 210938, 211792, 214396, 215574, 216489, 220038, 222040, 224770, 225680, 226005, 226920, 229710, 241072, 243390, 245024, 245830, 247380, 247416, 251472, 251503, 256880, 259616, 264740, 266448, 267995, 269724, 270816, 276640, 278160, 282720, 283920, 287432, 288652, 293384, 294996, 298623, 301340, 302560, 306280, 308256, 309270, 314340, 316407, 317688, 319579, 321594, 324520, 329840, 329888, 333060, 337155, 338520, 344162, 359290, 359632, 360815, 361608, 366730, 367536, 368745, 380640, 385320, 389424, 391742, 393328, 395808, 397110, 398164, 412360, 414960, 419120, 421876, 423584, 428792, 431148, 432978, 440076, 444080, 449540, 451360, 452010, 453840, 459420, 467077, 482144, 486780, 491660, 494760, 494832, 497705, 502944, 503006, 513760, 516243, 527345, 529480, 532896, 535990, 538935, 539448, 550095, 556320, 567840, 574864, 577304, 586768, 587613, 589992, 597246, 602680, 612560, 618540, 628680, 632814, 635376, 639158, 643188, 649040, 659680, 666120, 674310, 677040, 688324, 696787, 718580, 719264, 721630, 723216, 733460, 735072, 737490, 754509, 770640, 778848, 783484, 786656, 794220, 796328, 803985, 824720, 829920, 838240, 843752, 857584, 860405, 862296, 865956, 880152, 888160, 899080, 904020, 907680, 918840, 934154, 958737, 973560, 979355, 983320, 989520, 989664, 995410, 1006012, 1032486, 1054690, 1058960, 1071980, 1077870, 1078896, 1082445, 1100190, 1149728, 1154608, 1173536, 1175226, 1179984, 1194492, 1205360, 1225120, 1237080, 1257360, 1257515, 1265628, 1270752, 1278316, 1286376, 1298080, 1332240, 1348620, 1354080, 1371097, 1376648, 1393574, 1401231, 1437160, 1443260, 1446432, 1466920, 1474980, 1493115, 1509018, 1541280, 1566968, 1582035, 1588440, 1592656, 1597895, 1607970, 1649440, 1687504, 1715168, 1720810, 1724592, 1731912, 1760304, 1798160, 1808040, 1837680, 1868308, 1917474, 1947120, 1958710, 1966640, 1979040, 1990820, 2012024, 2064972, 2090361, 2109380, 2117920, 2143960, 2155740, 2157792, 2164890, 2200380, 2237053, 2309216, 2335385, 2350452, 2359968, 2388984, 2410720, 2474160, 2514720, 2515030, 2531256, 2556632, 2572752, 2581215, 2664480, 2697240, 2742194, 2753296, 2787148, 2802462, 2874320, 2886520, 2933840, 2938065, 2949960, 2986230, 3018036, 3133936, 3164070, 3176880, 3185312, 3195790, 3215940, 3269539, 3375008, 3441620, 3449184, 3463824, 3483935, 3520608, 3596320, 3616080, 3675360, 3736616, 3772545, 3834948, 3894240, 3917420, 3933280, 3981640, 4024048, 4113291, 4129944, 4180722, 4218760, 4287920, 4311480, 4329780, 4400760, 4474106, 4670770, 4700904, 4777968, 4793685, 4948320, 5030060, 5062512, 5113264, 5145504, 5162430, 5394480, 5484388, 5506592, 5574296, 5604924, 5748640, 5773040, 5867680, 5876130, 5899920, 5972460, 6036072, 6072001, 6267872, 6328140, 6353760, 6391580, 6431880, 6539078, 6711159, 6855485, 6883240, 6927648, 6967870, 7006155, 7232160, 7473232, 7545090, 7669896, 7834840, 7963280, 8048096, 8226582, 8259888, 8361444, 8437520, 8575840, 8622960, 8659560, 8801520, 8948212, 9341540, 9401808, 9555936, 9587370, 9808617, 10060120, 10125024, 10226528, 10324860, 10451805, 10788960, 10968776, 11148592, 11185265, 11209848, 11546080, 11752260, 11799840, 11944920, 12072144, 12144002, 12656280, 12783160, 12863760, 13078156, 13422318, 13710970, 13766480, 13935740, 14012310, 14946464, 15090180, 15339792, 15669680, 15926560, 16347695, 16453164, 16519776, 16722888, 16875040, 17245920, 17319120, 17603040, 17896424, 18216003, 18683080, 18803616, 19174740, 19617234, 20120240, 20566455, 20649720, 20903610, 21937552, 22297184, 22370530, 22419696, 23504520, 23889840, 24144288, 24288004, 25312560, 25566320, 25727520, 26156312, 26844636, 27421940, 27532960, 27871480, 28024620, 30180360, 30360005, 30679584, 31339360, 32695390, 32906328, 33445776, 33555795, 34638240, 35792848, 36432006, 37366160, 38349480, 39234468, 40240480, 41132910, 41299440, 41807220, 42504007, 43875104, 44741060, 44839392, 47009040, 47779680, 48576008, 49043085, 50625120, 51132640, 52312624, 53689272, 54843880, 55742960, 56049240, 60360720, 60720010, 65390780, 65812656, 66891552, 67111590, 71585696, 72864012, 74732320, 76698960, 78468936, 82265820, 82598880, 83614440, 85008014, 89482120, 91080015, 94018080, 97152016, 98086170, 104625248, 107378544, 109687760, 111485920, 112098480, 120721440, 121440020, 127512021, 130781560, 131625312, 134223180, 145728024, 153397920, 156937872, 164531640, 167228880, 170016028, 178964240, 182160030, 194304032, 196172340, 212520035, 214757088, 219375520, 224196960, 242880040, 255024042, 261563120, 268446360, 291456048, 313875744, 329063280, 334457760, 340032056, 357928480, 364320060, 392344680, 425040070, 485760080, 510048084, 523126240, 536892720, 582912096, 637560105, 658126560, 680064112, 728640120, 784689360, 850080140, 971520160, 1020096168, 1073785440, 1275120210, 1360128224, 1457280240, 1569378720, 1700160280, 2040192336, 2550240420, 2914560480, 3400320560, 4080384672, 5100480840, 6800641120, 10200961680, 20401923360]

約数ペア:

[(1, 20401923360), (2, 10200961680), (3, 6800641120), (4, 5100480840), (5, 4080384672), (6, 3400320560), (7, 2914560480), (8, 2550240420), (10, 2040192336), (12, 1700160280), (13, 1569378720), (14, 1457280240), (15, 1360128224), (16, 1275120210), (19, 1073785440), (20, 1020096168), (21, 971520160), (24, 850080140), (26, 784689360), (28, 728640120), (30, 680064112), (31, 658126560), (32, 637560105), (35, 582912096), (38, 536892720), (39, 523126240), (40, 510048084), (42, 485760080), (48, 425040070), (52, 392344680), (56, 364320060), (57, 357928480), (60, 340032056), (61, 334457760), (62, 329063280), (65, 313875744), (70, 291456048), (76, 268446360), (78, 261563120), (80, 255024042), (84, 242880040), (91, 224196960), (93, 219375520), (95, 214757088), (96, 212520035), (104, 196172340), (105, 194304032), (112, 182160030), (114, 178964240), (120, 170016028), (122, 167228880), (124, 164531640), (130, 156937872), (133, 153397920), (140, 145728024), (152, 134223180), (155, 131625312), (156, 130781560), (160, 127512021), (168, 121440020), (169, 120721440), (182, 112098480), (183, 111485920), (186, 109687760), (190, 107378544), (195, 104625248), (208, 98086170), (210, 97152016), (217, 94018080), (224, 91080015), (228, 89482120), (240, 85008014), (244, 83614440), (247, 82598880), (248, 82265820), (260, 78468936), (266, 76698960), (273, 74732320), (280, 72864012), (285, 71585696), (304, 67111590), (305, 66891552), (310, 65812656), (312, 65390780), (336, 60720010), (338, 60360720), (364, 56049240), (366, 55742960), (372, 54843880), (380, 53689272), (390, 52312624), (399, 51132640), (403, 50625120), (416, 49043085), (420, 48576008), (427, 47779680), (434, 47009040), (455, 44839392), (456, 44741060), (465, 43875104), (480, 42504007), (488, 41807220), (494, 41299440), (496, 41132910), (507, 40240480), (520, 39234468), (532, 38349480), (546, 37366160), (560, 36432006), (570, 35792848), (589, 34638240), (608, 33555795), (610, 33445776), (620, 32906328), (624, 32695390), (651, 31339360), (665, 30679584), (672, 30360005), (676, 30180360), (728, 28024620), (732, 27871480), (741, 27532960), (744, 27421940), (760, 26844636), (780, 26156312), (793, 25727520), (798, 25566320), (806, 25312560), (840, 24288004), (845, 24144288), (854, 23889840), (868, 23504520), (910, 22419696), (912, 22370530), (915, 22297184), (930, 21937552), (976, 20903610), (988, 20649720), (992, 20566455), (1014, 20120240), (1040, 19617234), (1064, 19174740), (1085, 18803616), (1092, 18683080), (1120, 18216003), (1140, 17896424), (1159, 17603040), (1178, 17319120), (1183, 17245920), (1209, 16875040), (1220, 16722888), (1235, 16519776), (1240, 16453164), (1248, 16347695), (1281, 15926560), (1302, 15669680), (1330, 15339792), (1352, 15090180), (1365, 14946464), (1456, 14012310), (1464, 13935740), (1482, 13766480), (1488, 13710970), (1520, 13422318), (1560, 13078156), (1586, 12863760), (1596, 12783160), (1612, 12656280), (1680, 12144002), (1690, 12072144), (1708, 11944920), (1729, 11799840), (1736, 11752260), (1767, 11546080), (1820, 11209848), (1824, 11185265), (1830, 11148592), (1860, 10968776), (1891, 10788960), (1952, 10451805), (1976, 10324860), (1995, 10226528), (2015, 10125024), (2028, 10060120), (2080, 9808617), (2128, 9587370), (2135, 9555936), (2170, 9401808), (2184, 9341540), (2280, 8948212), (2318, 8801520), (2356, 8659560), (2366, 8622960), (2379, 8575840), (2418, 8437520), (2440, 8361444), (2470, 8259888), (2480, 8226582), (2535, 8048096), (2562, 7963280), (2604, 7834840), (2660, 7669896), (2704, 7545090), (2730, 7473232), (2821, 7232160), (2912, 7006155), (2928, 6967870), (2945, 6927648), (2964, 6883240), (2976, 6855485), (3040, 6711159), (3120, 6539078), (3172, 6431880), (3192, 6391580), (3211, 6353760), (3224, 6328140), (3255, 6267872), (3360, 6072001), (3380, 6036072), (3416, 5972460), (3458, 5899920), (3472, 5876130), (3477, 5867680), (3534, 5773040), (3549, 5748640), (3640, 5604924), (3660, 5574296), (3705, 5506592), (3720, 5484388), (3782, 5394480), (3952, 5162430), (3965, 5145504), (3990, 5113264), (4030, 5062512), (4056, 5030060), (4123, 4948320), (4256, 4793685), (4270, 4777968), (4340, 4700904), (4368, 4670770), (4560, 4474106), (4636, 4400760), (4712, 4329780), (4732, 4311480), (4758, 4287920), (4836, 4218760), (4880, 4180722), (4940, 4129944), (4960, 4113291), (5070, 4024048), (5124, 3981640), (5187, 3933280), (5208, 3917420), (5239, 3894240), (5320, 3834948), (5408, 3772545), (5460, 3736616), (5551, 3675360), (5642, 3616080), (5673, 3596320), (5795, 3520608), (5856, 3483935), (5890, 3463824), (5915, 3449184), (5928, 3441620), (6045, 3375008), (6240, 3269539), (6344, 3215940), (6384, 3195790), (6405, 3185312), (6422, 3176880), (6448, 3164070), (6510, 3133936), (6760, 3018036), (6832, 2986230), (6916, 2949960), (6944, 2938065), (6954, 2933840), (7068, 2886520), (7098, 2874320), (7280, 2802462), (7320, 2787148), (7410, 2753296), (7440, 2742194), (7564, 2697240), (7657, 2664480), (7904, 2581215), (7930, 2572752), (7980, 2556632), (8060, 2531256), (8112, 2515030), (8113, 2514720), (8246, 2474160), (8463, 2410720), (8540, 2388984), (8645, 2359968), (8680, 2350452), (8736, 2335385), (8835, 2309216), (9120, 2237053), (9272, 2200380), (9424, 2164890), (9455, 2157792), (9464, 2155740), (9516, 2143960), (9633, 2117920), (9672, 2109380), (9760, 2090361), (9880, 2064972), (10140, 2012024), (10248, 1990820), (10309, 1979040), (10374, 1966640), (10416, 1958710), (10478, 1947120), (10640, 1917474), (10920, 1868308), (11102, 1837680), (11284, 1808040), (11346, 1798160), (11590, 1760304), (11780, 1731912), (11830, 1724592), (11856, 1720810), (11895, 1715168), (12090, 1687504), (12369, 1649440), (12688, 1607970), (12768, 1597895), (12810, 1592656), (12844, 1588440), (12896, 1582035), (13020, 1566968), (13237, 1541280), (13520, 1509018), (13664, 1493115), (13832, 1474980), (13908, 1466920), (14105, 1446432), (14136, 1443260), (14196, 1437160), (14560, 1401231), (14640, 1393574), (14820, 1376648), (14880, 1371097), (15067, 1354080), (15128, 1348620), (15314, 1332240), (15717, 1298080), (15860, 1286376), (15960, 1278316), (16055, 1270752), (16120, 1265628), (16224, 1257515), (16226, 1257360), (16492, 1237080), (16653, 1225120), (16926, 1205360), (17080, 1194492), (17290, 1179984), (17360, 1175226), (17385, 1173536), (17670, 1154608), (17745, 1149728), (18544, 1100190), (18848, 1082445), (18910, 1078896), (18928, 1077870), (19032, 1071980), (19266, 1058960), (19344, 1054690), (19760, 1032486), (20280, 1006012), (20496, 995410), (20615, 989664), (20618, 989520), (20748, 983320), (20832, 979355), (20956, 973560), (21280, 958737), (21840, 934154), (22204, 918840), (22477, 907680), (22568, 904020), (22692, 899080), (22971, 888160), (23180, 880152), (23560, 865956), (23660, 862296), (23712, 860405), (23790, 857584), (24180, 843752), (24339, 838240), (24583, 829920), (24738, 824720), (25376, 803985), (25620, 796328), (25688, 794220), (25935, 786656), (26040, 783484), (26195, 778848), (26474, 770640), (27040, 754509), (27664, 737490), (27755, 735072), (27816, 733460), (28210, 723216), (28272, 721630), (28365, 719264), (28392, 718580), (29280, 696787), (29640, 688324), (30134, 677040), (30256, 674310), (30628, 666120), (30927, 659680), (31434, 649040), (31720, 643188), (31920, 639158), (32110, 635376), (32240, 632814), (32452, 628680), (32984, 618540), (33306, 612560), (33852, 602680), (34160, 597246), (34580, 589992), (34720, 587613), (34770, 586768), (35340, 577304), (35490, 574864), (35929, 567840), (36673, 556320), (37088, 550095), (37820, 539448), (37856, 538935), (38064, 535990), (38285, 532896), (38532, 529480), (38688, 527345), (39520, 516243), (39711, 513760), (40560, 503006), (40565, 502944), (40992, 497705), (41230, 494832), (41236, 494760), (41496, 491660), (41912, 486780), (42315, 482144), (43680, 467077), (44408, 459420), (44954, 453840), (45136, 452010), (45201, 451360), (45384, 449540), (45942, 444080), (46360, 440076), (47120, 432978), (47320, 431148), (47580, 428792), (48165, 423584), (48360, 421876), (48678, 419120), (49166, 414960), (49476, 412360), (51240, 398164), (51376, 397110), (51545, 395808), (51870, 393328), (52080, 391742), (52390, 389424), (52948, 385320), (53599, 380640), (55328, 368745), (55510, 367536), (55632, 366730), (56420, 361608), (56544, 360815), (56730, 359632), (56784, 359290), (59280, 344162), (60268, 338520), (60512, 337155), (61256, 333060), (61845, 329888), (61854, 329840), (62868, 324520), (63440, 321594), (63840, 319579), (64220, 317688), (64480, 316407), (64904, 314340), (65968, 309270), (66185, 308256), (66612, 306280), (67431, 302560), (67704, 301340), (68320, 298623), (69160, 294996), (69540, 293384), (70680, 288652), (70980, 287432), (71858, 283920), (72163, 282720), (73346, 278160), (73749, 276640), (75335, 270816), (75640, 269724), (76128, 267995), (76570, 266448), (77064, 264740), (78585, 259616), (79422, 256880), (81120, 251503), (81130, 251472), (82460, 247416), (82472, 247380), (82992, 245830), (83265, 245024), (83824, 243390), (84630, 241072), (88816, 229710), (89908, 226920), (90272, 226005), (90402, 225680), (90768, 224770), (91884, 222040), (92720, 220038), (94240, 216489), (94640, 215574), (95160, 214396), (96330, 211792), (96720, 210938), (97356, 209560), (98332, 207480), (98952, 206180), (99541, 204960), (102480, 199082), (102752, 198555), (103090, 197904), (103740, 196664), (104160, 195871), (104780, 194712), (105469, 193440), (105896, 192660), (107198, 190320), (107787, 189280), (110019, 185440), (111020, 183768), (111264, 183365), (112385, 181536), (112840, 180804), (113460, 179816), (113568, 179645), (114855, 177632), (118560, 172081), (120536, 169260), (121695, 167648), (122512, 166530), (122915, 165984), (123690, 164944), (123708, 164920), (125736, 162260), (126880, 160797), (128440, 158844), (129808, 157170), (131936, 154635), (132370, 154128), (133224, 153140), (134862, 151280), (135408, 150670), (138320, 147498), (139080, 146692), (141360, 144326), (141960, 143716)]