89988660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16127}}^1$

素因数の和:16173

約数の個数: 72

約数和(自身を含む): 281788416

約数和(自身を除く): 191799756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 16127, 32254, 48381, 64508, 80635, 96762, 145143, 161270, 193524, 241905, 290286, 322540, 483810, 499937, 580572, 725715, 967620, 999874, 1451430, 1499811, 1999748, 2499685, 2902860, 2999622, 4499433, 4999370, 5999244, 7499055, 8998866, 9998740, 14998110, 17997732, 22497165, 29996220, 44994330, 89988660]

約数ペア:

[(1, 89988660), (2, 44994330), (3, 29996220), (4, 22497165), (5, 17997732), (6, 14998110), (9, 9998740), (10, 8998866), (12, 7499055), (15, 5999244), (18, 4999370), (20, 4499433), (30, 2999622), (31, 2902860), (36, 2499685), (45, 1999748), (60, 1499811), (62, 1451430), (90, 999874), (93, 967620), (124, 725715), (155, 580572), (180, 499937), (186, 483810), (279, 322540), (310, 290286), (372, 241905), (465, 193524), (558, 161270), (620, 145143), (930, 96762), (1116, 80635), (1395, 64508), (1860, 48381), (2790, 32254), (5580, 16127)]