68876680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{613}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 158209380

約数和(自身を除く): 89332700

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 613, 1060, 1226, 2120, 2452, 2809, 3065, 4904, 5618, 6130, 11236, 12260, 14045, 22472, 24520, 28090, 32489, 56180, 64978, 112360, 129956, 162445, 259912, 324890, 649780, 1299560, 1721917, 3443834, 6887668, 8609585, 13775336, 17219170, 34438340, 68876680]

約数ペア:

[(1, 68876680), (2, 34438340), (4, 17219170), (5, 13775336), (8, 8609585), (10, 6887668), (20, 3443834), (40, 1721917), (53, 1299560), (106, 649780), (212, 324890), (265, 259912), (424, 162445), (530, 129956), (613, 112360), (1060, 64978), (1226, 56180), (2120, 32489), (2452, 28090), (2809, 24520), (3065, 22472), (4904, 14045), (5618, 12260), (6130, 11236)]