30311480

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4649}}^1$

素因数の和:4823

約数の個数: 32

約数和(自身を含む): 68634000

約数和(自身を除く): 38322520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 4649, 6520, 9298, 18596, 23245, 37192, 46490, 92980, 185960, 757787, 1515574, 3031148, 3788935, 6062296, 7577870, 15155740, 30311480]

約数ペア:

[(1, 30311480), (2, 15155740), (4, 7577870), (5, 6062296), (8, 3788935), (10, 3031148), (20, 1515574), (40, 757787), (163, 185960), (326, 92980), (652, 46490), (815, 37192), (1304, 23245), (1630, 18596), (3260, 9298), (4649, 6520)]