72315980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{328709}}^1$

素因数の和:328729

約数の個数: 24

約数和(自身を含む): 165669840

約数和(自身を除く): 93353860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 328709, 657418, 1314836, 1643545, 3287090, 3615799, 6574180, 7231598, 14463196, 18078995, 36157990, 72315980]

約数ペア:

[(1, 72315980), (2, 36157990), (4, 18078995), (5, 14463196), (10, 7231598), (11, 6574180), (20, 3615799), (22, 3287090), (44, 1643545), (55, 1314836), (110, 657418), (220, 328709)]