68310440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155251}}^1$

素因数の和:155273

約数の個数: 32

約数和(自身を含む): 167672160

約数和(自身を除く): 99361720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155251, 310502, 621004, 776255, 1242008, 1552510, 1707761, 3105020, 3415522, 6210040, 6831044, 8538805, 13662088, 17077610, 34155220, 68310440]

約数ペア:

[(1, 68310440), (2, 34155220), (4, 17077610), (5, 13662088), (8, 8538805), (10, 6831044), (11, 6210040), (20, 3415522), (22, 3105020), (40, 1707761), (44, 1552510), (55, 1242008), (88, 776255), (110, 621004), (220, 310502), (440, 155251)]