128212620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2136877}}^1$

素因数の和:2136889

約数の個数: 24

約数和(自身を含む): 358995504

約数和(自身を除く): 230782884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2136877, 4273754, 6410631, 8547508, 10684385, 12821262, 21368770, 25642524, 32053155, 42737540, 64106310, 128212620]

約数ペア:

[(1, 128212620), (2, 64106310), (3, 42737540), (4, 32053155), (5, 25642524), (6, 21368770), (10, 12821262), (12, 10684385), (15, 8547508), (20, 6410631), (30, 4273754), (60, 2136877)]