540447880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{2351}}^1$

素因数の和:3190

約数の個数: 64

約数和(自身を含む): 1392007680

約数和(自身を除く): 851559800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 821, 1642, 2351, 3284, 4105, 4702, 5747, 6568, 8210, 9404, 11494, 11755, 16420, 16457, 18808, 22988, 23510, 28735, 32840, 32914, 45976, 47020, 57470, 65828, 82285, 94040, 114940, 131656, 164570, 229880, 329140, 658280, 1930171, 3860342, 7720684, 9650855, 13511197, 15441368, 19301710, 27022394, 38603420, 54044788, 67555985, 77206840, 108089576, 135111970, 270223940, 540447880]

約数ペア:

[(1, 540447880), (2, 270223940), (4, 135111970), (5, 108089576), (7, 77206840), (8, 67555985), (10, 54044788), (14, 38603420), (20, 27022394), (28, 19301710), (35, 15441368), (40, 13511197), (56, 9650855), (70, 7720684), (140, 3860342), (280, 1930171), (821, 658280), (1642, 329140), (2351, 229880), (3284, 164570), (4105, 131656), (4702, 114940), (5747, 94040), (6568, 82285), (8210, 65828), (9404, 57470), (11494, 47020), (11755, 45976), (16420, 32914), (16457, 32840), (18808, 28735), (22988, 23510)]