80621520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1357

約数の個数: 160

約数和(自身を含む): 293576448

約数和(自身を除く): 212954928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 518, 555, 560, 592, 740, 777, 840, 888, 1036, 1110, 1295, 1297, 1480, 1554, 1680, 1776, 2072, 2220, 2590, 2594, 2960, 3108, 3885, 3891, 4144, 4440, 5180, 5188, 6216, 6485, 7770, 7782, 8880, 9079, 10360, 10376, 12432, 12970, 15540, 15564, 18158, 19455, 20720, 20752, 25940, 27237, 31080, 31128, 36316, 38910, 45395, 47989, 51880, 54474, 62160, 62256, 72632, 77820, 90790, 95978, 103760, 108948, 136185, 143967, 145264, 155640, 181580, 191956, 217896, 239945, 272370, 287934, 311280, 335923, 363160, 383912, 435792, 479890, 544740, 575868, 671846, 719835, 726320, 767824, 959780, 1007769, 1089480, 1151736, 1343692, 1439670, 1679615, 1919560, 2015538, 2178960, 2303472, 2687384, 2879340, 3359230, 3839120, 4031076, 5038845, 5374768, 5758680, 6718460, 8062152, 10077690, 11517360, 13436920, 16124304, 20155380, 26873840, 40310760, 80621520]

約数ペア:

[(1, 80621520), (2, 40310760), (3, 26873840), (4, 20155380), (5, 16124304), (6, 13436920), (7, 11517360), (8, 10077690), (10, 8062152), (12, 6718460), (14, 5758680), (15, 5374768), (16, 5038845), (20, 4031076), (21, 3839120), (24, 3359230), (28, 2879340), (30, 2687384), (35, 2303472), (37, 2178960), (40, 2015538), (42, 1919560), (48, 1679615), (56, 1439670), (60, 1343692), (70, 1151736), (74, 1089480), (80, 1007769), (84, 959780), (105, 767824), (111, 726320), (112, 719835), (120, 671846), (140, 575868), (148, 544740), (168, 479890), (185, 435792), (210, 383912), (222, 363160), (240, 335923), (259, 311280), (280, 287934), (296, 272370), (336, 239945), (370, 217896), (420, 191956), (444, 181580), (518, 155640), (555, 145264), (560, 143967), (592, 136185), (740, 108948), (777, 103760), (840, 95978), (888, 90790), (1036, 77820), (1110, 72632), (1295, 62256), (1297, 62160), (1480, 54474), (1554, 51880), (1680, 47989), (1776, 45395), (2072, 38910), (2220, 36316), (2590, 31128), (2594, 31080), (2960, 27237), (3108, 25940), (3885, 20752), (3891, 20720), (4144, 19455), (4440, 18158), (5180, 15564), (5188, 15540), (6216, 12970), (6485, 12432), (7770, 10376), (7782, 10360), (8880, 9079)]