20428480800

素因数分解:

$2^5\times 3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:615

約数の個数: 1152

約数和(自身を含む): 95893862400

約数和(自身を除く): 75465381600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 24, 25, 26, 27, 28, 30, 32, 35, 36, 38, 39, 40, 42, 45, 48, 50, 52, 54, 56, 57, 60, 63, 65, 70, 72, 75, 76, 78, 80, 84, 90, 91, 95, 96, 100, 104, 105, 108, 112, 114, 117, 120, 126, 130, 133, 135, 140, 144, 150, 152, 156, 160, 168, 171, 175, 180, 182, 189, 190, 195, 200, 208, 210, 216, 224, 225, 228, 234, 240, 247, 252, 260, 266, 270, 273, 280, 285, 288, 300, 304, 312, 315, 325, 336, 342, 350, 351, 360, 364, 378, 380, 390, 399, 400, 416, 420, 432, 450, 455, 456, 468, 475, 480, 494, 504, 513, 520, 525, 532, 540, 546, 547, 560, 570, 585, 600, 608, 624, 630, 650, 665, 672, 675, 684, 700, 702, 720, 728, 741, 756, 760, 780, 798, 800, 819, 840, 855, 864, 900, 910, 912, 936, 945, 950, 975, 988, 1008, 1026, 1040, 1050, 1064, 1080, 1092, 1094, 1120, 1140, 1170, 1197, 1200, 1235, 1248, 1260, 1300, 1330, 1350, 1365, 1368, 1400, 1404, 1425, 1440, 1456, 1482, 1512, 1520, 1560, 1575, 1596, 1638, 1641, 1680, 1710, 1729, 1755, 1800, 1820, 1824, 1872, 1890, 1900, 1950, 1976, 1995, 2016, 2052, 2080, 2100, 2128, 2160, 2184, 2188, 2223, 2275, 2280, 2340, 2394, 2400, 2457, 2470, 2520, 2565, 2600, 2660, 2700, 2730, 2735, 2736, 2800, 2808, 2850, 2912, 2925, 2964, 3024, 3040, 3120, 3150, 3192, 3276, 3282, 3325, 3360, 3420, 3458, 3510, 3591, 3600, 3640, 3705, 3744, 3780, 3800, 3829, 3900, 3952, 3990, 4095, 4104, 4200, 4256, 4275, 4320, 4368, 4376, 4446, 4550, 4560, 4680, 4725, 4788, 4914, 4923, 4940, 5040, 5130, 5187, 5200, 5320, 5400, 5460, 5470, 5472, 5600, 5616, 5700, 5850, 5928, 5985, 6048, 6175, 6240, 6300, 6384, 6552, 6564, 6650, 6669, 6825, 6840, 6916, 7020, 7111, 7182, 7200, 7280, 7410, 7560, 7600, 7658, 7800, 7904, 7980, 8190, 8205, 8208, 8400, 8550, 8645, 8736, 8752, 8775, 8892, 9100, 9120, 9360, 9450, 9576, 9828, 9846, 9880, 9975, 10080, 10260, 10374, 10393, 10400, 10640, 10800, 10920, 10940, 11115, 11232, 11400, 11487, 11700, 11856, 11970, 12285, 12350, 12600, 12768, 12825, 13104, 13128, 13300, 13338, 13650, 13675, 13680, 13832, 14040, 14222, 14364, 14560, 14769, 14820, 15120, 15200, 15316, 15561, 15600, 15960, 16380, 16410, 16416, 16800, 17100, 17290, 17504, 17550, 17784, 17955, 18200, 18525, 18720, 18900, 19145, 19152, 19656, 19692, 19760, 19950, 20475, 20520, 20748, 20786, 21280, 21333, 21600, 21840, 21880, 22230, 22800, 22974, 23400, 23712, 23940, 24570, 24615, 24700, 25200, 25650, 25935, 26208, 26256, 26600, 26676, 27300, 27350, 27360, 27664, 28080, 28444, 28728, 29538, 29640, 29925, 30240, 30632, 31122, 31179, 31200, 31920, 32760, 32820, 33345, 34200, 34461, 34580, 35100, 35555, 35568, 35910, 36400, 37050, 37800, 38290, 38304, 39312, 39384, 39520, 39900, 40950, 41025, 41040, 41496, 41572, 42666, 43225, 43680, 43760, 44460, 45600, 45948, 46683, 46800, 47880, 49140, 49230, 49400, 49777, 50400, 51300, 51870, 51965, 52512, 53200, 53352, 54600, 54700, 55328, 55575, 56160, 56888, 57435, 57456, 59076, 59280, 59850, 61264, 61425, 62244, 62358, 63840, 63999, 65520, 65640, 66690, 68400, 68922, 69160, 70200, 71110, 71136, 71820, 72751, 72800, 73845, 74100, 75600, 76580, 77805, 78624, 78768, 79800, 81900, 82050, 82080, 82992, 83144, 85332, 86450, 87520, 88920, 89775, 91896, 93366, 93537, 93600, 95725, 95760, 98280, 98460, 98800, 99554, 102600, 103383, 103740, 103930, 106400, 106665, 106704, 109200, 109400, 111150, 113776, 114870, 114912, 118152, 118560, 119700, 122528, 122850, 123075, 124488, 124716, 127998, 129675, 131040, 131280, 133380, 135109, 136800, 137844, 138320, 140400, 142220, 143640, 145502, 147690, 148200, 149331, 151200, 153160, 155610, 155895, 157536, 159600, 163800, 164100, 165984, 166288, 166725, 170664, 172305, 172900, 177775, 177840, 179550, 183792, 186732, 187074, 191450, 191520, 191997, 196560, 196920, 197600, 199108, 205200, 206766, 207480, 207860, 213330, 213408, 218253, 218400, 218800, 222300, 227552, 229740, 233415, 236304, 239400, 245700, 246150, 248885, 248976, 249432, 255996, 259350, 259825, 262560, 266760, 270218, 275688, 276640, 280611, 280800, 284440, 287175, 287280, 291004, 295380, 296400, 298662, 306320, 311220, 311790, 319200, 319995, 327600, 328200, 332576, 333450, 341328, 344610, 345800, 355550, 355680, 359100, 363755, 367584, 369225, 373464, 374148, 382900, 383994, 389025, 393120, 393840, 398216, 405327, 410400, 413532, 414960, 415720, 426660, 436506, 437600, 444600, 447993, 459480, 466830, 467685, 472608, 478800, 491400, 492300, 497770, 497952, 498864, 511992, 516915, 518700, 519650, 533325, 533520, 540436, 551376, 561222, 568880, 574350, 574560, 582008, 590760, 592800, 597324, 612640, 622440, 623580, 639990, 654759, 655200, 656400, 666900, 675545, 682656, 689220, 691600, 711100, 718200, 727510, 738450, 746655, 746928, 748296, 765800, 767988, 778050, 779475, 787680, 796432, 810654, 827064, 829920, 831440, 853320, 861525, 873012, 889200, 895986, 918960, 933660, 935370, 945763, 957600, 959985, 982800, 984600, 995540, 997728, 1023984, 1033830, 1037400, 1039300, 1066650, 1067040, 1080872, 1091265, 1102752, 1122444, 1137760, 1148700, 1164016, 1167075, 1181520, 1194648, 1215981, 1244425, 1244880, 1247160, 1279980, 1309518, 1312800, 1333800, 1343979, 1351090, 1378440, 1383200, 1403055, 1422200, 1436400, 1455020, 1476900, 1493310, 1493856, 1496592, 1531600, 1535976, 1556100, 1558950, 1592864, 1599975, 1621308, 1654128, 1662880, 1706640, 1723050, 1746024, 1778400, 1791972, 1818775, 1837920, 1867320, 1870740, 1891526, 1919970, 1964277, 1965600, 1969200, 1991080, 2026635, 2047968, 2067660, 2074800, 2078600, 2133300, 2161744, 2182530, 2239965, 2244888, 2297400, 2328032, 2334150, 2338425, 2363040, 2389296, 2431962, 2488850, 2489760, 2494320, 2559960, 2584575, 2619036, 2667600, 2687958, 2702180, 2756880, 2806110, 2837289, 2844400, 2872800, 2910040, 2953800, 2986620, 2993184, 3063200, 3071952, 3112200, 3117900, 3199950, 3242616, 3273795, 3308256, 3377725, 3413280, 3446100, 3492048, 3583944, 3637550, 3647943, 3733275, 3734640, 3741480, 3783052, 3839940, 3928554, 3938400, 3982160, 4053270, 4135320, 4149600, 4157200, 4266600, 4323488, 4365060, 4479930, 4489776, 4594800, 4668300, 4676850, 4728815, 4778592, 4799925, 4863924, 4977700, 4988640, 5119920, 5169150, 5238072, 5335200, 5375916, 5404360, 5456325, 5513760, 5612220, 5674578, 5688800, 5820080, 5907600, 5973240, 6079905, 6143904, 6224400, 6235800, 6399900, 6485232, 6547590, 6719895, 6755450, 6892200, 6984096, 7015275, 7167888, 7275100, 7295886, 7466550, 7469280, 7482960, 7566104, 7679880, 7857108, 7964320, 8106540, 8270640, 8314400, 8511867, 8533200, 8730120, 8959860, 8979552, 9189600, 9336600, 9353700, 9457630, 9599850, 9727848, 9821385, 9955400, 10133175, 10239840, 10338300, 10476144, 10751832, 10808720, 10912650, 11199825, 11224440, 11349156, 11640160, 11815200, 11946480, 12159810, 12448800, 12471600, 12799800, 12970464, 13095180, 13439790, 13510900, 13784400, 14030550, 14186445, 14335776, 14550200, 14591772, 14933100, 14965920, 15132208, 15359760, 15714216, 16213080, 16368975, 16541280, 17023734, 17066400, 17460240, 17919720, 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約数ペア:

[(1, 20428480800), (2, 10214240400), (3, 6809493600), (4, 5107120200), (5, 4085696160), (6, 3404746800), (7, 2918354400), (8, 2553560100), (9, 2269831200), (10, 2042848080), (12, 1702373400), (13, 1571421600), (14, 1459177200), (15, 1361898720), (16, 1276780050), (18, 1134915600), (19, 1075183200), (20, 1021424040), (21, 972784800), (24, 851186700), (25, 817139232), (26, 785710800), (27, 756610400), (28, 729588600), (30, 680949360), (32, 638390025), (35, 583670880), (36, 567457800), (38, 537591600), (39, 523807200), (40, 510712020), (42, 486392400), (45, 453966240), (48, 425593350), (50, 408569616), (52, 392855400), (54, 378305200), (56, 364794300), (57, 358394400), (60, 340474680), (63, 324261600), (65, 314284320), (70, 291835440), (72, 283728900), (75, 272379744), (76, 268795800), (78, 261903600), (80, 255356010), (84, 243196200), (90, 226983120), (91, 224488800), (95, 215036640), (96, 212796675), (100, 204284808), (104, 196427700), (105, 194556960), (108, 189152600), (112, 182397150), (114, 179197200), (117, 174602400), (120, 170237340), (126, 162130800), (130, 157142160), (133, 153597600), (135, 151322080), (140, 145917720), (144, 141864450), (150, 136189872), (152, 134397900), (156, 130951800), (160, 127678005), (168, 121598100), (171, 119464800), (175, 116734176), (180, 113491560), (182, 112244400), (189, 108087200), (190, 107518320), (195, 104761440), (200, 102142404), (208, 98213850), (210, 97278480), (216, 94576300), (224, 91198575), (225, 90793248), (228, 89598600), (234, 87301200), (240, 85118670), (247, 82706400), (252, 81065400), (260, 78571080), (266, 76798800), (270, 75661040), (273, 74829600), (280, 72958860), (285, 71678880), (288, 70932225), (300, 68094936), (304, 67198950), (312, 65475900), (315, 64852320), (325, 62856864), (336, 60799050), (342, 59732400), (350, 58367088), (351, 58200800), (360, 56745780), (364, 56122200), (378, 54043600), (380, 53759160), (390, 52380720), (399, 51199200), (400, 51071202), (416, 49106925), (420, 48639240), (432, 47288150), (450, 45396624), (455, 44897760), (456, 44799300), (468, 43650600), (475, 43007328), (480, 42559335), (494, 41353200), (504, 40532700), (513, 39821600), (520, 39285540), (525, 38911392), (532, 38399400), (540, 37830520), (546, 37414800), (547, 37346400), (560, 36479430), (570, 35839440), (585, 34920480), (600, 34047468), (608, 33599475), (624, 32737950), (630, 32426160), (650, 31428432), (665, 30719520), (672, 30399525), (675, 30264416), (684, 29866200), (700, 29183544), (702, 29100400), (720, 28372890), (728, 28061100), (741, 27568800), (756, 27021800), (760, 26879580), (780, 26190360), (798, 25599600), (800, 25535601), (819, 24943200), (840, 24319620), (855, 23892960), (864, 23644075), (900, 22698312), (910, 22448880), (912, 22399650), (936, 21825300), (945, 21617440), (950, 21503664), (975, 20952288), (988, 20676600), (1008, 20266350), (1026, 19910800), (1040, 19642770), (1050, 19455696), (1064, 19199700), (1080, 18915260), (1092, 18707400), (1094, 18673200), (1120, 18239715), (1140, 17919720), (1170, 17460240), (1197, 17066400), (1200, 17023734), (1235, 16541280), (1248, 16368975), (1260, 16213080), (1300, 15714216), (1330, 15359760), (1350, 15132208), (1365, 14965920), (1368, 14933100), (1400, 14591772), (1404, 14550200), (1425, 14335776), (1440, 14186445), (1456, 14030550), (1482, 13784400), (1512, 13510900), (1520, 13439790), (1560, 13095180), (1575, 12970464), (1596, 12799800), (1638, 12471600), (1641, 12448800), (1680, 12159810), (1710, 11946480), (1729, 11815200), (1755, 11640160), (1800, 11349156), (1820, 11224440), (1824, 11199825), (1872, 10912650), (1890, 10808720), (1900, 10751832), (1950, 10476144), (1976, 10338300), (1995, 10239840), (2016, 10133175), (2052, 9955400), (2080, 9821385), (2100, 9727848), (2128, 9599850), (2160, 9457630), (2184, 9353700), (2188, 9336600), (2223, 9189600), (2275, 8979552), (2280, 8959860), (2340, 8730120), (2394, 8533200), (2400, 8511867), (2457, 8314400), (2470, 8270640), (2520, 8106540), (2565, 7964320), (2600, 7857108), (2660, 7679880), (2700, 7566104), (2730, 7482960), (2735, 7469280), (2736, 7466550), (2800, 7295886), (2808, 7275100), (2850, 7167888), (2912, 7015275), (2925, 6984096), (2964, 6892200), (3024, 6755450), (3040, 6719895), (3120, 6547590), (3150, 6485232), (3192, 6399900), (3276, 6235800), (3282, 6224400), (3325, 6143904), (3360, 6079905), (3420, 5973240), (3458, 5907600), (3510, 5820080), (3591, 5688800), (3600, 5674578), (3640, 5612220), (3705, 5513760), (3744, 5456325), (3780, 5404360), (3800, 5375916), (3829, 5335200), (3900, 5238072), (3952, 5169150), (3990, 5119920), (4095, 4988640), (4104, 4977700), (4200, 4863924), (4256, 4799925), (4275, 4778592), (4320, 4728815), (4368, 4676850), (4376, 4668300), (4446, 4594800), (4550, 4489776), (4560, 4479930), (4680, 4365060), (4725, 4323488), (4788, 4266600), (4914, 4157200), (4923, 4149600), (4940, 4135320), (5040, 4053270), (5130, 3982160), (5187, 3938400), (5200, 3928554), (5320, 3839940), (5400, 3783052), (5460, 3741480), (5470, 3734640), (5472, 3733275), (5600, 3647943), (5616, 3637550), (5700, 3583944), (5850, 3492048), (5928, 3446100), (5985, 3413280), (6048, 3377725), (6175, 3308256), (6240, 3273795), (6300, 3242616), (6384, 3199950), (6552, 3117900), (6564, 3112200), (6650, 3071952), (6669, 3063200), (6825, 2993184), (6840, 2986620), (6916, 2953800), (7020, 2910040), (7111, 2872800), (7182, 2844400), (7200, 2837289), (7280, 2806110), (7410, 2756880), (7560, 2702180), (7600, 2687958), (7658, 2667600), (7800, 2619036), (7904, 2584575), (7980, 2559960), (8190, 2494320), (8205, 2489760), (8208, 2488850), (8400, 2431962), (8550, 2389296), (8645, 2363040), (8736, 2338425), (8752, 2334150), (8775, 2328032), (8892, 2297400), (9100, 2244888), (9120, 2239965), (9360, 2182530), (9450, 2161744), (9576, 2133300), (9828, 2078600), (9846, 2074800), (9880, 2067660), (9975, 2047968), (10080, 2026635), (10260, 1991080), (10374, 1969200), (10393, 1965600), (10400, 1964277), (10640, 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