12345780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{205763}}^1$

素因数の和:205775

約数の個数: 24

約数和(自身を含む): 34568352

約数和(自身を除く): 22222572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 205763, 411526, 617289, 823052, 1028815, 1234578, 2057630, 2469156, 3086445, 4115260, 6172890, 12345780]

約数ペア:

[(1, 12345780), (2, 6172890), (3, 4115260), (4, 3086445), (5, 2469156), (6, 2057630), (10, 1234578), (12, 1028815), (15, 823052), (20, 617289), (30, 411526), (60, 205763)]