15480040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2237}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 35047080

約数和(自身を除く): 19567040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 2237, 3460, 4474, 6920, 8948, 11185, 17896, 22370, 44740, 89480, 387001, 774002, 1548004, 1935005, 3096008, 3870010, 7740020, 15480040]

約数ペア:

[(1, 15480040), (2, 7740020), (4, 3870010), (5, 3096008), (8, 1935005), (10, 1548004), (20, 774002), (40, 387001), (173, 89480), (346, 44740), (692, 22370), (865, 17896), (1384, 11185), (1730, 8948), (2237, 6920), (3460, 4474)]