30915240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257627}}^1$

素因数の和:257641

約数の個数: 32

約数和(自身を含む): 92746080

約数和(自身を除く): 61830840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257627, 515254, 772881, 1030508, 1288135, 1545762, 2061016, 2576270, 3091524, 3864405, 5152540, 6183048, 7728810, 10305080, 15457620, 30915240]

約数ペア:

[(1, 30915240), (2, 15457620), (3, 10305080), (4, 7728810), (5, 6183048), (6, 5152540), (8, 3864405), (10, 3091524), (12, 2576270), (15, 2061016), (20, 1545762), (24, 1288135), (30, 1030508), (40, 772881), (60, 515254), (120, 257627)]