30313640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108263}}^1$

素因数の和:108281

約数の個数: 32

約数和(自身を含む): 77950080

約数和(自身を除く): 47636440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108263, 216526, 433052, 541315, 757841, 866104, 1082630, 1515682, 2165260, 3031364, 3789205, 4330520, 6062728, 7578410, 15156820, 30313640]

約数ペア:

[(1, 30313640), (2, 15156820), (4, 7578410), (5, 6062728), (7, 4330520), (8, 3789205), (10, 3031364), (14, 2165260), (20, 1515682), (28, 1082630), (35, 866104), (40, 757841), (56, 541315), (70, 433052), (140, 216526), (280, 108263)]