68477560

素因数分解:

$2^3\times 5^1\times {\mathrm{719}}^1\times {\mathrm{2381}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 154353600

約数和(自身を除く): 85876040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719, 1438, 2381, 2876, 3595, 4762, 5752, 7190, 9524, 11905, 14380, 19048, 23810, 28760, 47620, 95240, 1711939, 3423878, 6847756, 8559695, 13695512, 17119390, 34238780, 68477560]

約数ペア:

[(1, 68477560), (2, 34238780), (4, 17119390), (5, 13695512), (8, 8559695), (10, 6847756), (20, 3423878), (40, 1711939), (719, 95240), (1438, 47620), (2381, 28760), (2876, 23810), (3595, 19048), (4762, 14380), (5752, 11905), (7190, 9524)]