257720447640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2147670397}}^1$

素因数の和:2147670411

約数の個数: 32

約数和(自身を含む): 773161343280

約数和(自身を除く): 515440895640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2147670397, 4295340794, 6443011191, 8590681588, 10738351985, 12886022382, 17181363176, 21476703970, 25772044764, 32215055955, 42953407940, 51544089528, 64430111910, 85906815880, 128860223820, 257720447640]

約数ペア:

[(1, 257720447640), (2, 128860223820), (3, 85906815880), (4, 64430111910), (5, 51544089528), (6, 42953407940), (8, 32215055955), (10, 25772044764), (12, 21476703970), (15, 17181363176), (20, 12886022382), (24, 10738351985), (30, 8590681588), (40, 6443011191), (60, 4295340794), (120, 2147670397)]