30640620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{510677}}^1$

素因数の和:510689

約数の個数: 24

約数和(自身を含む): 85793904

約数和(自身を除く): 55153284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 510677, 1021354, 1532031, 2042708, 2553385, 3064062, 5106770, 6128124, 7660155, 10213540, 15320310, 30640620]

約数ペア:

[(1, 30640620), (2, 15320310), (3, 10213540), (4, 7660155), (5, 6128124), (6, 5106770), (10, 3064062), (12, 2553385), (15, 2042708), (20, 1532031), (30, 1021354), (60, 510677)]