15678979120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{9311}}^1$

素因数の和:9459

約数の個数: 160

約数和(自身を含む): 43453218816

約数和(自身を除く): 27774239696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 97, 112, 124, 140, 155, 194, 217, 248, 280, 310, 388, 434, 485, 496, 560, 620, 679, 776, 868, 970, 1085, 1240, 1358, 1552, 1736, 1940, 2170, 2480, 2716, 3007, 3395, 3472, 3880, 4340, 5432, 6014, 6790, 7760, 8680, 9311, 10864, 12028, 13580, 15035, 17360, 18622, 21049, 24056, 27160, 30070, 37244, 42098, 46555, 48112, 54320, 60140, 65177, 74488, 84196, 93110, 105245, 120280, 130354, 148976, 168392, 186220, 210490, 240560, 260708, 288641, 325885, 336784, 372440, 420980, 521416, 577282, 651770, 744880, 841960, 903167, 1042832, 1154564, 1303540, 1443205, 1683920, 1806334, 2020487, 2309128, 2607080, 2886410, 3612668, 4040974, 4515835, 4618256, 5214160, 5772820, 6322169, 7225336, 8081948, 9031670, 10102435, 11545640, 12644338, 14450672, 16163896, 18063340, 20204870, 23091280, 25288676, 27998177, 31610845, 32327792, 36126680, 40409740, 50577352, 55996354, 63221690, 72253360, 80819480, 101154704, 111992708, 126443380, 139990885, 161638960, 195987239, 223985416, 252886760, 279981770, 391974478, 447970832, 505773520, 559963540, 783948956, 979936195, 1119927080, 1567897912, 1959872390, 2239854160, 3135795824, 3919744780, 7839489560, 15678979120]

約数ペア:

[(1, 15678979120), (2, 7839489560), (4, 3919744780), (5, 3135795824), (7, 2239854160), (8, 1959872390), (10, 1567897912), (14, 1119927080), (16, 979936195), (20, 783948956), (28, 559963540), (31, 505773520), (35, 447970832), (40, 391974478), (56, 279981770), (62, 252886760), (70, 223985416), (80, 195987239), (97, 161638960), (112, 139990885), (124, 126443380), (140, 111992708), (155, 101154704), (194, 80819480), (217, 72253360), (248, 63221690), (280, 55996354), (310, 50577352), (388, 40409740), (434, 36126680), (485, 32327792), (496, 31610845), (560, 27998177), (620, 25288676), (679, 23091280), (776, 20204870), (868, 18063340), (970, 16163896), (1085, 14450672), (1240, 12644338), (1358, 11545640), (1552, 10102435), (1736, 9031670), (1940, 8081948), (2170, 7225336), (2480, 6322169), (2716, 5772820), (3007, 5214160), (3395, 4618256), (3472, 4515835), (3880, 4040974), (4340, 3612668), (5432, 2886410), (6014, 2607080), (6790, 2309128), (7760, 2020487), (8680, 1806334), (9311, 1683920), (10864, 1443205), (12028, 1303540), (13580, 1154564), (15035, 1042832), (17360, 903167), (18622, 841960), (21049, 744880), (24056, 651770), (27160, 577282), (30070, 521416), (37244, 420980), (42098, 372440), (46555, 336784), (48112, 325885), (54320, 288641), (60140, 260708), (65177, 240560), (74488, 210490), (84196, 186220), (93110, 168392), (105245, 148976), (120280, 130354)]