121245280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:920

約数の個数: 96

約数和(自身を含む): 313201728

約数和(自身を除く): 191956448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 71, 80, 104, 130, 142, 160, 208, 260, 284, 355, 416, 520, 568, 710, 821, 923, 1040, 1136, 1420, 1642, 1846, 2080, 2272, 2840, 3284, 3692, 4105, 4615, 5680, 6568, 7384, 8210, 9230, 10673, 11360, 13136, 14768, 16420, 18460, 21346, 26272, 29536, 32840, 36920, 42692, 53365, 58291, 65680, 73840, 85384, 106730, 116582, 131360, 147680, 170768, 213460, 233164, 291455, 341536, 426920, 466328, 582910, 757783, 853840, 932656, 1165820, 1515566, 1707680, 1865312, 2331640, 3031132, 3788915, 4663280, 6062264, 7577830, 9326560, 12124528, 15155660, 24249056, 30311320, 60622640, 121245280]

約数ペア:

[(1, 121245280), (2, 60622640), (4, 30311320), (5, 24249056), (8, 15155660), (10, 12124528), (13, 9326560), (16, 7577830), (20, 6062264), (26, 4663280), (32, 3788915), (40, 3031132), (52, 2331640), (65, 1865312), (71, 1707680), (80, 1515566), (104, 1165820), (130, 932656), (142, 853840), (160, 757783), (208, 582910), (260, 466328), (284, 426920), (355, 341536), (416, 291455), (520, 233164), (568, 213460), (710, 170768), (821, 147680), (923, 131360), (1040, 116582), (1136, 106730), (1420, 85384), (1642, 73840), (1846, 65680), (2080, 58291), (2272, 53365), (2840, 42692), (3284, 36920), (3692, 32840), (4105, 29536), (4615, 26272), (5680, 21346), (6568, 18460), (7384, 16420), (8210, 14768), (9230, 13136), (10673, 11360)]