30940620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{515677}}^1$

素因数の和:515689

約数の個数: 24

約数和(自身を含む): 86633904

約数和(自身を除く): 55693284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 515677, 1031354, 1547031, 2062708, 2578385, 3094062, 5156770, 6188124, 7735155, 10313540, 15470310, 30940620]

約数ペア:

[(1, 30940620), (2, 15470310), (3, 10313540), (4, 7735155), (5, 6188124), (6, 5156770), (10, 3094062), (12, 2578385), (15, 2062708), (20, 1547031), (30, 1031354), (60, 515677)]