15155660

素因数分解:

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

素因数の和:914

約数の個数: 48

約数和(自身を含む): 34800192

約数和(自身を除く): 19644532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 821, 923, 1420, 1642, 1846, 3284, 3692, 4105, 4615, 8210, 9230, 10673, 16420, 18460, 21346, 42692, 53365, 58291, 106730, 116582, 213460, 233164, 291455, 582910, 757783, 1165820, 1515566, 3031132, 3788915, 7577830, 15155660]

約数ペア:

[(1, 15155660), (2, 7577830), (4, 3788915), (5, 3031132), (10, 1515566), (13, 1165820), (20, 757783), (26, 582910), (52, 291455), (65, 233164), (71, 213460), (130, 116582), (142, 106730), (260, 58291), (284, 53365), (355, 42692), (710, 21346), (821, 18460), (923, 16420), (1420, 10673), (1642, 9230), (1846, 8210), (3284, 4615), (3692, 4105)]