408772020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{6812867}}^1$

素因数の和:6812879

約数の個数: 24

約数和(自身を含む): 1144561824

約数和(自身を除く): 735789804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6812867, 13625734, 20438601, 27251468, 34064335, 40877202, 68128670, 81754404, 102193005, 136257340, 204386010, 408772020]

約数ペア:

[(1, 408772020), (2, 204386010), (3, 136257340), (4, 102193005), (5, 81754404), (6, 68128670), (10, 40877202), (12, 34064335), (15, 27251468), (20, 20438601), (30, 13625734), (60, 6812867)]