157672280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{231871}}^1$

素因数の和:231899

約数の個数: 32

約数和(自身を含む): 375632640

約数和(自身を除く): 217960360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 231871, 463742, 927484, 1159355, 1854968, 2318710, 3941807, 4637420, 7883614, 9274840, 15767228, 19709035, 31534456, 39418070, 78836140, 157672280]

約数ペア:

[(1, 157672280), (2, 78836140), (4, 39418070), (5, 31534456), (8, 19709035), (10, 15767228), (17, 9274840), (20, 7883614), (34, 4637420), (40, 3941807), (68, 2318710), (85, 1854968), (136, 1159355), (170, 927484), (340, 463742), (680, 231871)]