20525428560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 640

約数和(自身を含む): 80914821120

約数和(自身を除く): 60389392560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 67, 70, 78, 80, 83, 84, 91, 104, 105, 112, 120, 130, 134, 140, 156, 166, 168, 169, 182, 195, 201, 208, 210, 240, 249, 260, 268, 273, 280, 312, 332, 335, 336, 338, 364, 390, 402, 415, 420, 455, 469, 498, 507, 520, 536, 546, 560, 581, 624, 664, 670, 676, 728, 780, 804, 830, 840, 845, 871, 910, 938, 996, 1005, 1014, 1040, 1072, 1079, 1092, 1162, 1183, 1245, 1328, 1340, 1352, 1365, 1407, 1456, 1560, 1608, 1660, 1680, 1690, 1742, 1743, 1820, 1876, 1992, 2010, 2028, 2158, 2184, 2197, 2324, 2345, 2366, 2490, 2535, 2613, 2680, 2704, 2730, 2814, 2905, 3120, 3216, 3237, 3320, 3380, 3484, 3486, 3549, 3640, 3752, 3984, 4020, 4056, 4316, 4355, 4368, 4394, 4648, 4690, 4732, 4980, 5070, 5226, 5360, 5395, 5460, 5561, 5628, 5810, 5915, 6097, 6474, 6591, 6640, 6760, 6968, 6972, 7035, 7098, 7280, 7504, 7553, 8040, 8112, 8632, 8710, 8715, 8788, 9296, 9380, 9464, 9960, 10140, 10452, 10790, 10920, 10985, 11122, 11256, 11323, 11620, 11830, 12194, 12948, 13065, 13182, 13520, 13936, 13944, 14027, 14070, 14196, 15106, 15379, 16080, 16185, 16683, 17264, 17420, 17430, 17576, 17745, 18291, 18760, 18928, 19920, 20280, 20904, 21580, 21840, 21970, 22244, 22512, 22646, 22659, 23240, 23660, 24388, 25896, 26130, 26364, 27805, 27888, 28054, 28140, 28392, 30212, 30485, 30758, 32370, 32955, 33366, 33969, 34840, 34860, 35152, 35490, 36582, 37520, 37765, 38927, 40560, 41808, 42081, 43160, 43940, 44488, 45292, 45318, 46137, 46480, 47320, 48776, 51792, 52260, 52728, 55610, 56108, 56280, 56615, 56784, 60424, 60970, 61516, 64740, 65910, 66732, 67938, 69680, 69720, 70135, 70980, 72293, 73164, 75530, 76895, 77854, 79261, 83415, 84162, 86320, 87880, 88976, 90584, 90636, 91455, 92274, 94640, 97552, 98189, 104520, 105456, 111220, 112216, 112560, 113230, 113295, 116781, 120848, 121940, 123032, 129480, 131820, 133464, 135876, 139440, 140270, 141960, 144586, 146328, 147199, 151060, 153790, 155708, 158522, 166830, 168324, 169845, 175760, 181168, 181272, 182351, 182910, 184548, 194635, 196378, 209040, 210405, 216879, 222440, 224432, 226460, 226590, 230685, 233562, 237783, 243880, 246064, 258960, 263640, 266928, 271752, 280540, 283920, 289172, 292656, 294398, 294567, 302120, 307580, 311416, 317044, 333660, 336648, 339690, 361465, 362544, 364702, 365820, 369096, 389270, 392756, 396305, 420810, 433758, 441597, 444880, 452920, 453180, 461370, 467124, 475566, 487760, 490945, 506051, 527280, 543504, 547053, 561080, 578344, 583905, 588796, 589134, 604240, 615160, 622832, 634088, 667320, 673296, 679380, 722930, 729404, 731640, 735995, 738192, 778540, 785512, 792610, 841620, 867516, 883194, 905840, 906360, 911755, 922740, 934248, 939809, 951132, 981890, 1012102, 1030393, 1084395, 1094106, 1122160, 1156688, 1167810, 1177592, 1178268, 1188915, 1230320, 1268176, 1276457, 1334640, 1358760, 1445860, 1458808, 1463280, 1471990, 1472835, 1518153, 1557080, 1571024, 1585220, 1683240, 1735032, 1766388, 1812720, 1823510, 1845480, 1868496, 1879618, 1902264, 1963780, 2024204, 2060786, 2168790, 2188212, 2207985, 2335620, 2355184, 2356536, 2377830, 2530255, 2552914, 2717520, 2735265, 2819427, 2891720, 2917616, 2943980, 2945670, 3036306, 3091179, 3114160, 3170440, 3366480, 3470064, 3532776, 3647020, 3690960, 3759236, 3804528, 3829371, 3927560, 4048408, 4121572, 4337580, 4376424, 4415970, 4671240, 4699045, 4713072, 4755660, 5060510, 5105828, 5151965, 5470530, 5638854, 5783440, 5887960, 5891340, 6072612, 6182358, 6340880, 6382285, 6578663, 7065552, 7294040, 7518472, 7590765, 7658742, 7855120, 8096816, 8243144, 8675160, 8752848, 8831940, 9342480, 9398090, 9511320, 10121020, 10211656, 10303930, 10941060, 11277708, 11775920, 11782680, 12145224, 12217517, 12364716, 12764570, 13157326, 14097135, 14588080, 15036944, 15181530, 15317484, 15455895, 16486288, 17350320, 17663880, 18796180, 19022640, 19146855, 19735989, 20242040, 20423312, 20607860, 21882120, 22555416, 23565360, 24290448, 24435034, 24729432, 25529140, 26314652, 28194270, 30363060, 30634968, 30911790, 32893315, 35327760, 36652551, 37592360, 38293710, 39471978, 40484080, 41215720, 43764240, 45110832, 48870068, 49458864, 51058280, 52629304, 56388540, 60726120, 61087585, 61269936, 61823580, 65786630, 73305102, 75184720, 76587420, 78943956, 82431440, 85522619, 97740136, 98679945, 102116560, 105258608, 112777080, 121452240, 122175170, 123647160, 131573260, 146610204, 153174840, 157887912, 171045238, 183262755, 195480272, 197359890, 225554160, 244350340, 247294320, 256567857, 263146520, 293220408, 306349680, 315775824, 342090476, 366525510, 394719780, 427613095, 488700680, 513135714, 526293040, 586440816, 684180952, 733051020, 789439560, 855226190, 977401360, 1026271428, 1282839285, 1368361904, 1466102040, 1578879120, 1710452380, 2052542856, 2565678570, 2932204080, 3420904760, 4105085712, 5131357140, 6841809520, 10262714280, 20525428560]

約数ペア:

[(1, 20525428560), (2, 10262714280), (3, 6841809520), (4, 5131357140), (5, 4105085712), (6, 3420904760), (7, 2932204080), (8, 2565678570), (10, 2052542856), (12, 1710452380), (13, 1578879120), (14, 1466102040), (15, 1368361904), (16, 1282839285), (20, 1026271428), (21, 977401360), (24, 855226190), (26, 789439560), (28, 733051020), (30, 684180952), (35, 586440816), (39, 526293040), (40, 513135714), (42, 488700680), (48, 427613095), (52, 394719780), (56, 366525510), (60, 342090476), (65, 315775824), (67, 306349680), (70, 293220408), (78, 263146520), (80, 256567857), (83, 247294320), (84, 244350340), (91, 225554160), (104, 197359890), (105, 195480272), (112, 183262755), (120, 171045238), (130, 157887912), (134, 153174840), (140, 146610204), (156, 131573260), (166, 123647160), (168, 122175170), (169, 121452240), (182, 112777080), (195, 105258608), (201, 102116560), (208, 98679945), (210, 97740136), (240, 85522619), (249, 82431440), (260, 78943956), (268, 76587420), (273, 75184720), (280, 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10941060), (1992, 10303930), (2010, 10211656), (2028, 10121020), (2158, 9511320), (2184, 9398090), (2197, 9342480), (2324, 8831940), (2345, 8752848), (2366, 8675160), (2490, 8243144), (2535, 8096816), (2613, 7855120), (2680, 7658742), (2704, 7590765), (2730, 7518472), (2814, 7294040), (2905, 7065552), (3120, 6578663), (3216, 6382285), (3237, 6340880), (3320, 6182358), (3380, 6072612), (3484, 5891340), (3486, 5887960), (3549, 5783440), (3640, 5638854), (3752, 5470530), (3984, 5151965), (4020, 5105828), (4056, 5060510), (4316, 4755660), (4355, 4713072), (4368, 4699045), (4394, 4671240), (4648, 4415970), (4690, 4376424), (4732, 4337580), (4980, 4121572), (5070, 4048408), (5226, 3927560), (5360, 3829371), (5395, 3804528), (5460, 3759236), (5561, 3690960), (5628, 3647020), (5810, 3532776), (5915, 3470064), (6097, 3366480), (6474, 3170440), (6591, 3114160), (6640, 3091179), (6760, 3036306), (6968, 2945670), (6972, 2943980), (7035, 2917616), (7098, 2891720), (7280, 2819427), (7504, 2735265), (7553, 2717520), (8040, 2552914), (8112, 2530255), (8632, 2377830), (8710, 2356536), (8715, 2355184), (8788, 2335620), (9296, 2207985), (9380, 2188212), (9464, 2168790), (9960, 2060786), (10140, 2024204), (10452, 1963780), (10790, 1902264), (10920, 1879618), (10985, 1868496), (11122, 1845480), (11256, 1823510), (11323, 1812720), (11620, 1766388), (11830, 1735032), (12194, 1683240), (12948, 1585220), (13065, 1571024), (13182, 1557080), (13520, 1518153), (13936, 1472835), (13944, 1471990), (14027, 1463280), (14070, 1458808), (14196, 1445860), (15106, 1358760), (15379, 1334640), (16080, 1276457), (16185, 1268176), (16683, 1230320), (17264, 1188915), (17420, 1178268), (17430, 1177592), (17576, 1167810), (17745, 1156688), (18291, 1122160), (18760, 1094106), (18928, 1084395), (19920, 1030393), (20280, 1012102), (20904, 981890), (21580, 951132), (21840, 939809), (21970, 934248), (22244, 922740), (22512, 911755), (22646, 906360), (22659, 905840), (23240, 883194), (23660, 867516), (24388, 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