30908940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{515149}}^1$

素因数の和:515161

約数の個数: 24

約数和(自身を含む): 86545200

約数和(自身を除く): 55636260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 515149, 1030298, 1545447, 2060596, 2575745, 3090894, 5151490, 6181788, 7727235, 10302980, 15454470, 30908940]

約数ペア:

[(1, 30908940), (2, 15454470), (3, 10302980), (4, 7727235), (5, 6181788), (6, 5151490), (10, 3090894), (12, 2575745), (15, 2060596), (20, 1545447), (30, 1030298), (60, 515149)]