72781160

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{14327}}^1$

素因数の和:14465

約数の個数: 32

約数和(自身を含む): 165058560

約数和(自身を除く): 92277400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 14327, 28654, 57308, 71635, 114616, 143270, 286540, 573080, 1819529, 3639058, 7278116, 9097645, 14556232, 18195290, 36390580, 72781160]

約数ペア:

[(1, 72781160), (2, 36390580), (4, 18195290), (5, 14556232), (8, 9097645), (10, 7278116), (20, 3639058), (40, 1819529), (127, 573080), (254, 286540), (508, 143270), (635, 114616), (1016, 71635), (1270, 57308), (2540, 28654), (5080, 14327)]