20857571280

素因数分解:

$2^4\times 3^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 1200

約数和(自身を含む): 94252967424

約数和(自身を除く): 73395396144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 31, 35, 36, 39, 40, 42, 45, 48, 49, 52, 54, 56, 60, 62, 63, 65, 70, 72, 78, 80, 81, 84, 90, 91, 93, 98, 104, 105, 108, 112, 117, 120, 124, 126, 130, 135, 140, 144, 147, 155, 156, 162, 163, 168, 180, 182, 186, 189, 195, 196, 208, 210, 216, 217, 234, 240, 245, 248, 252, 260, 270, 273, 279, 280, 294, 310, 312, 315, 324, 326, 336, 351, 360, 364, 372, 378, 390, 392, 403, 405, 420, 432, 434, 441, 455, 465, 468, 489, 490, 496, 504, 520, 540, 546, 558, 560, 567, 585, 588, 620, 624, 630, 637, 648, 651, 652, 702, 720, 728, 735, 744, 756, 780, 784, 806, 810, 815, 819, 837, 840, 868, 882, 910, 930, 936, 945, 978, 980, 1008, 1040, 1053, 1080, 1085, 1092, 1116, 1134, 1141, 1170, 1176, 1209, 1240, 1260, 1274, 1296, 1302, 1304, 1323, 1365, 1395, 1404, 1456, 1467, 1470, 1488, 1512, 1519, 1560, 1612, 1620, 1630, 1638, 1674, 1680, 1736, 1755, 1764, 1820, 1860, 1872, 1890, 1911, 1953, 1956, 1960, 2015, 2106, 2119, 2160, 2170, 2184, 2205, 2232, 2268, 2282, 2340, 2352, 2418, 2445, 2457, 2480, 2511, 2520, 2548, 2604, 2608, 2646, 2730, 2790, 2808, 2821, 2835, 2934, 2940, 3024, 3038, 3120, 3185, 3224, 3240, 3255, 3260, 3276, 3348, 3423, 3472, 3510, 3528, 3627, 3640, 3720, 3780, 3822, 3906, 3912, 3920, 3969, 4030, 4095, 4185, 4212, 4238, 4340, 4368, 4401, 4410, 4464, 4536, 4557, 4564, 4680, 4836, 4890, 4914, 5022, 5040, 5053, 5096, 5208, 5265, 5292, 5460, 5580, 5616, 5642, 5670, 5705, 5733, 5859, 5868, 5880, 6045, 6076, 6357, 6370, 6448, 6480, 6510, 6520, 6552, 6615, 6696, 6846, 7020, 7056, 7254, 7280, 7335, 7371, 7440, 7560, 7595, 7644, 7812, 7824, 7938, 7987, 8060, 8190, 8370, 8424, 8463, 8476, 8680, 8802, 8820, 9072, 9114, 9128, 9360, 9555, 9672, 9765, 9780, 9828, 10044, 10106, 10192, 10269, 10416, 10530, 10584, 10595, 10881, 10920, 11160, 11284, 11340, 11410, 11466, 11718, 11736, 11760, 12090, 12152, 12285, 12555, 12714, 12740, 13020, 13040, 13104, 13203, 13230, 13392, 13671, 13692, 14040, 14105, 14508, 14670, 14742, 14833, 15120, 15159, 15190, 15288, 15624, 15876, 15974, 16120, 16380, 16740, 16848, 16926, 16952, 17115, 17199, 17360, 17577, 17604, 17640, 18135, 18228, 18256, 19071, 19110, 19344, 19530, 19560, 19656, 19747, 19845, 20088, 20212, 20538, 21060, 21168, 21190, 21762, 21840, 22005, 22320, 22568, 22680, 22785, 22820, 22932, 23436, 23472, 23961, 24180, 24304, 24570, 25110, 25265, 25389, 25428, 25480, 26040, 26406, 26460, 27342, 27384, 28080, 28210, 28665, 29016, 29295, 29340, 29484, 29666, 30318, 30380, 30576, 30807, 31248, 31752, 31785, 31948, 32240, 32643, 32760, 33480, 33852, 33904, 34230, 34398, 35154, 35208, 35280, 35371, 36270, 36456, 36855, 38142, 38220, 39060, 39120, 39312, 39494, 39690, 39935, 40176, 40424, 41013, 41076, 42120, 42315, 42380, 43524, 44010, 44499, 45136, 45360, 45477, 45570, 45640, 45864, 46872, 47922, 48360, 49140, 50220, 50530, 50778, 50856, 50960, 51345, 51597, 52080, 52812, 52920, 54405, 54684, 54768, 56420, 57213, 57330, 58032, 58590, 58680, 58968, 59241, 59332, 60636, 60760, 61614, 63504, 63570, 63896, 65286, 65520, 65689, 66015, 66960, 67704, 68355, 68460, 68796, 70308, 70416, 70742, 71883, 72540, 72912, 73710, 74165, 75795, 76167, 76284, 76440, 78120, 78988, 79380, 79870, 80848, 82026, 82152, 84240, 84630, 84760, 85995, 87048, 87885, 88020, 88998, 90954, 91140, 91280, 91728, 92421, 93744, 95355, 95844, 96720, 98280, 98735, 100440, 101060, 101556, 101712, 102690, 103194, 103831, 105624, 105840, 106113, 108810, 109368, 112840, 114426, 114660, 117180, 117360, 117936, 118482, 118664, 119805, 121272, 121520, 123039, 123228, 126945, 127140, 127792, 130572, 131378, 132030, 133497, 135408, 136431, 136710, 136920, 137592, 140616, 141484, 143766, 145080, 147420, 148330, 151590, 152334, 152568, 152880, 154035, 156240, 157976, 158760, 159740, 163215, 164052, 164304, 169260, 169520, 171639, 171990, 174096, 175770, 176040, 176855, 177723, 177996, 181908, 182280, 184842, 190710, 191688, 196560, 197067, 197470, 200880, 202120, 203112, 205065, 205380, 206388, 207662, 211248, 212226, 215649, 217620, 218736, 222495, 225680, 227385, 228501, 228852, 229320, 234360, 236964, 237328, 239610, 242544, 246078, 246456, 247597, 253890, 254280, 257985, 261144, 262756, 264060, 266994, 272862, 273420, 273840, 275184, 281232, 282968, 286065, 287532, 290160, 294840, 296205, 296660, 303180, 304668, 305136, 308070, 311493, 315952, 317520, 318339, 319480, 326430, 328104, 328445, 338520, 343278, 343980, 351540, 352080, 353710, 355446, 355992, 359415, 363816, 364560, 369684, 380835, 381420, 383376, 394134, 394940, 400491, 404240, 406224, 409293, 410130, 410760, 412776, 415324, 424452, 431298, 435240, 444990, 454770, 457002, 457704, 458640, 459823, 462105, 468720, 473928, 479220, 492156, 492912, 495194, 507780, 508560, 515970, 519155, 522288, 525512, 528120, 530565, 533169, 533988, 545724, 546840, 565936, 572130, 575064, 589680, 591201, 592410, 593320, 606360, 609336, 615195, 616140, 622986, 636678, 638960, 646947, 652860, 656208, 656890, 667485, 677040, 682155, 686556, 687960, 703080, 707420, 710892, 711984, 718830, 727632, 739368, 742791, 761670, 762840, 788268, 789880, 800982, 818586, 820260, 821520, 825552, 830648, 848904, 858195, 862596, 870480, 888615, 889980, 909540, 914004, 915408, 919646, 924210, 934479, 947856, 955017, 958440, 984312, 985335, 990388, 1015560, 1031940, 1038310, 1051024, 1056240, 1061130, 1066338, 1067976, 1078245, 1091448, 1093680, 1142505, 1144260, 1150128, 1182402, 1184820, 1186640, 1201473, 1212720, 1218672, 1230390, 1232280, 1237985, 1245972, 1273356, 1293894, 1305720, 1313780, 1334970, 1364310, 1373112, 1375920, 1379469, 1406160, 1414840, 1421784, 1437660, 1478736, 1485582, 1523340, 1525680, 1557465, 1576536, 1579760, 1591695, 1599507, 1601964, 1637172, 1640520, 1661296, 1697808, 1716390, 1725192, 1773603, 1777230, 1779960, 1819080, 1828008, 1839292, 1848420, 1868958, 1910034, 1916880, 1968624, 1970670, 1980776, 2002455, 2031120, 2046465, 2063880, 2076620, 2122260, 2132676, 2135952, 2156490, 2182896, 2228373, 2285010, 2288520, 2299115, 2364804, 2369640, 2402946, 2460780, 2464560, 2475970, 2491944, 2546712, 2587788, 2611440, 2627560, 2665845, 2669940, 2728620, 2746224, 2758938, 2803437, 2829680, 2843568, 2865051, 2875320, 2956005, 2971164, 3046680, 3114930, 3153072, 3183390, 3199014, 3203928, 3218761, 3234735, 3274344, 3281040, 3432780, 3450384, 3547206, 3554460, 3559920, 3638160, 3656016, 3678584, 3696840, 3713955, 3737916, 3820068, 3941340, 3961552, 4004910, 4092930, 4127760, 4138407, 4153240, 4244520, 4265352, 4312980, 4456746, 4570020, 4577040, 4598230, 4672395, 4729608, 4739280, 4775085, 4805892, 4921560, 4951940, 4983888, 5093424, 5175576, 5255120, 5320809, 5331690, 5339880, 5457240, 5517876, 5606874, 5730102, 5750640, 5912010, 5942328, 6007365, 6093360, 6229860, 6366780, 6398028, 6407856, 6437522, 6469470, 6548688, 6685119, 6865560, 6897345, 7094412, 7108920, 7357168, 7393680, 7427910, 7475832, 7640136, 7882680, 7997535, 8009820, 8185860, 8276814, 8306480, 8410311, 8489040, 8530704, 8625960, 8868015, 8913492, 9140040, 9196460, 9344790, 9459216, 9550170, 9611784, 9656283, 9843120, 9903880, 10351152, 10641618, 10663380, 10679760, 10914480, 11035752, 11141865, 11213748, 11460204, 11824020, 11884656, 12014730, 12415221, 12459720, 12733560, 12796056, 12875044, 12938940, 13370238, 13731120, 13794690, 14017185, 14188824, 14217840, 14325255, 14855820, 14951664, 15280272, 15765360, 15995070, 16019640, 16093805, 16371720, 16553628, 16820622, 17251920, 17736030, 17826984, 18280080, 18392920, 18689580, 19100340, 19223568, 19312566, 19807760, 20055357, 20692035, 21283236, 21326760, 22071504, 22283730, 22427496, 22920408, 23648040, 24029460, 24830442, 24919440, 25467120, 25592112, 25750088, 25877880, 26604045, 26740476, 27589380, 28034370, 28377648, 28650510, 28968849, 29711640, 31990140, 32039280, 32187610, 32743440, 33107256, 33425595, 33641244, 35472060, 35653968, 36785840, 37245663, 37379160, 38200680, 38625132, 40110714, 41384070, 42051555, 42566472, 42653520, 44567460, 44854992, 45840816, 47296080, 48058920, 48281415, 49660884, 51500176, 51755760, 53208090, 53480952, 55178760, 56068740, 57301020, 57937698, 59423280, 62076105, 63980280, 64375220, 66214512, 66851190, 67282488, 70944120, 74491326, 74758320, 76401360, 77250264, 80221428, 82768140, 84103110, 85132944, 86906547, 89134920, 96117840, 96562830, 99321768, 100276785, 106416180, 106961904, 110357520, 112137480, 114602040, 115875396, 124152210, 127960560, 128750440, 133702380, 134564976, 141888240, 144844245, 148982652, 154500528, 160442856, 165536280, 168206220, 173813094, 178269840, 186228315, 193125660, 198643536, 200553570, 212832360, 224274960, 229204080, 231750792, 248304420, 257500880, 260719641, 267404760, 289688490, 297965304, 320885712, 331072560, 336412440, 347626188, 372456630, 386251320, 401107140, 425664720, 434532735, 463501584, 496608840, 521439282, 534809520, 579376980, 595930608, 672824880, 695252376, 744913260, 772502640, 802214280, 869065470, 993217680, 1042878564, 1158753960, 1303598205, 1390504752, 1489826520, 1604428560, 1738130940, 2085757128, 2317507920, 2607196410, 2979653040, 3476261880, 4171514256, 5214392820, 6952523760, 10428785640, 20857571280]

約数ペア:

[(1, 20857571280), (2, 10428785640), (3, 6952523760), (4, 5214392820), (5, 4171514256), (6, 3476261880), (7, 2979653040), (8, 2607196410), (9, 2317507920), (10, 2085757128), (12, 1738130940), (13, 1604428560), (14, 1489826520), (15, 1390504752), (16, 1303598205), (18, 1158753960), (20, 1042878564), (21, 993217680), (24, 869065470), (26, 802214280), (27, 772502640), (28, 744913260), (30, 695252376), (31, 672824880), (35, 595930608), (36, 579376980), (39, 534809520), (40, 521439282), (42, 496608840), (45, 463501584), (48, 434532735), (49, 425664720), (52, 401107140), (54, 386251320), (56, 372456630), (60, 347626188), (62, 336412440), (63, 331072560), (65, 320885712), (70, 297965304), (72, 289688490), (78, 267404760), (80, 260719641), (81, 257500880), (84, 248304420), (90, 231750792), (91, 229204080), (93, 224274960), (98, 212832360), (104, 200553570), (105, 198643536), (108, 193125660), (112, 186228315), (117, 178269840), (120, 173813094), (124, 168206220), (126, 165536280), (130, 160442856), (135, 154500528), (140, 148982652), (144, 144844245), (147, 141888240), (155, 134564976), (156, 133702380), (162, 128750440), (163, 127960560), (168, 124152210), (180, 115875396), (182, 114602040), (186, 112137480), (189, 110357520), (195, 106961904), (196, 106416180), (208, 100276785), (210, 99321768), (216, 96562830), (217, 96117840), (234, 89134920), (240, 86906547), (245, 85132944), (248, 84103110), (252, 82768140), (260, 80221428), (270, 77250264), (273, 76401360), (279, 74758320), (280, 74491326), (294, 70944120), (310, 67282488), (312, 66851190), (315, 66214512), (324, 64375220), (326, 63980280), (336, 62076105), (351, 59423280), (360, 57937698), (364, 57301020), (372, 56068740), (378, 55178760), (390, 53480952), (392, 53208090), (403, 51755760), (405, 51500176), (420, 49660884), (432, 48281415), (434, 48058920), (441, 47296080), (455, 45840816), (465, 44854992), (468, 44567460), (489, 42653520), (490, 42566472), (496, 42051555), (504, 41384070), (520, 40110714), (540, 38625132), (546, 38200680), (558, 37379160), (560, 37245663), (567, 36785840), (585, 35653968), (588, 35472060), (620, 33641244), (624, 33425595), (630, 33107256), (637, 32743440), (648, 32187610), (651, 32039280), (652, 31990140), (702, 29711640), (720, 28968849), (728, 28650510), (735, 28377648), (744, 28034370), (756, 27589380), (780, 26740476), (784, 26604045), (806, 25877880), (810, 25750088), (815, 25592112), (819, 25467120), (837, 24919440), (840, 24830442), (868, 24029460), (882, 23648040), (910, 22920408), (930, 22427496), (936, 22283730), (945, 22071504), (978, 21326760), (980, 21283236), (1008, 20692035), (1040, 20055357), (1053, 19807760), (1080, 19312566), (1085, 19223568), (1092, 19100340), (1116, 18689580), (1134, 18392920), (1141, 18280080), (1170, 17826984), (1176, 17736030), (1209, 17251920), (1240, 16820622), (1260, 16553628), (1274, 16371720), (1296, 16093805), (1302, 16019640), (1304, 15995070), (1323, 15765360), (1365, 15280272), (1395, 14951664), (1404, 14855820), (1456, 14325255), (1467, 14217840), (1470, 14188824), (1488, 14017185), (1512, 13794690), (1519, 13731120), (1560, 13370238), (1612, 12938940), (1620, 12875044), (1630, 12796056), (1638, 12733560), (1674, 12459720), (1680, 12415221), (1736, 12014730), (1755, 11884656), (1764, 11824020), (1820, 11460204), (1860, 11213748), (1872, 11141865), (1890, 11035752), (1911, 10914480), (1953, 10679760), (1956, 10663380), (1960, 10641618), (2015, 10351152), (2106, 9903880), (2119, 9843120), (2160, 9656283), (2170, 9611784), (2184, 9550170), (2205, 9459216), (2232, 9344790), (2268, 9196460), (2282, 9140040), (2340, 8913492), (2352, 8868015), (2418, 8625960), (2445, 8530704), (2457, 8489040), (2480, 8410311), (2511, 8306480), (2520, 8276814), (2548, 8185860), (2604, 8009820), (2608, 7997535), (2646, 7882680), (2730, 7640136), (2790, 7475832), (2808, 7427910), (2821, 7393680), (2835, 7357168), (2934, 7108920), (2940, 7094412), (3024, 6897345), (3038, 6865560), (3120, 6685119), (3185, 6548688), (3224, 6469470), (3240, 6437522), (3255, 6407856), (3260, 6398028), (3276, 6366780), (3348, 6229860), (3423, 6093360), (3472, 6007365), (3510, 5942328), (3528, 5912010), (3627, 5750640), (3640, 5730102), (3720, 5606874), (3780, 5517876), (3822, 5457240), (3906, 5339880), (3912, 5331690), (3920, 5320809), (3969, 5255120), (4030, 5175576), (4095, 5093424), (4185, 4983888), (4212, 4951940), (4238, 4921560), (4340, 4805892), (4368, 4775085), (4401, 4739280), (4410, 4729608), (4464, 4672395), (4536, 4598230), (4557, 4577040), (4564, 4570020), (4680, 4456746), (4836, 4312980), (4890, 4265352), (4914, 4244520), (5022, 4153240), (5040, 4138407), (5053, 4127760), (5096, 4092930), (5208, 4004910), (5265, 3961552), (5292, 3941340), (5460, 3820068), (5580, 3737916), (5616, 3713955), (5642, 3696840), (5670, 3678584), (5705, 3656016), (5733, 3638160), (5859, 3559920), (5868, 3554460), (5880, 3547206), (6045, 3450384), (6076, 3432780), (6357, 3281040), (6370, 3274344), (6448, 3234735), (6480, 3218761), (6510, 3203928), (6520, 3199014), (6552, 3183390), (6615, 3153072), (6696, 3114930), (6846, 3046680), (7020, 2971164), (7056, 2956005), (7254, 2875320), (7280, 2865051), (7335, 2843568), (7371, 2829680), (7440, 2803437), (7560, 2758938), (7595, 2746224), (7644, 2728620), (7812, 2669940), (7824, 2665845), (7938, 2627560), (7987, 2611440), (8060, 2587788), (8190, 2546712), (8370, 2491944), (8424, 2475970), (8463, 2464560), (8476, 2460780), (8680, 2402946), (8802, 2369640), (8820, 2364804), (9072, 2299115), (9114, 2288520), (9128, 2285010), (9360, 2228373), (9555, 2182896), (9672, 2156490), (9765, 2135952), (9780, 2132676), (9828, 2122260), (10044, 2076620), (10106, 2063880), (10192, 2046465), (10269, 2031120), (10416, 2002455), (10530, 1980776), (10584, 1970670), (10595, 1968624), (10881, 1916880), (10920, 1910034), (11160, 1868958), (11284, 1848420), (11340, 1839292), (11410, 1828008), (11466, 1819080), (11718, 1779960), (11736, 1777230), (11760, 1773603), (12090, 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