157020580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1009}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 342074880

約数和(自身を除く): 185054300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 251, 310, 502, 620, 1004, 1009, 1255, 2018, 2510, 4036, 5020, 5045, 7781, 10090, 15562, 20180, 31124, 31279, 38905, 62558, 77810, 125116, 155620, 156395, 253259, 312790, 506518, 625580, 1013036, 1266295, 2532590, 5065180, 7851029, 15702058, 31404116, 39255145, 78510290, 157020580]

約数ペア:

[(1, 157020580), (2, 78510290), (4, 39255145), (5, 31404116), (10, 15702058), (20, 7851029), (31, 5065180), (62, 2532590), (124, 1266295), (155, 1013036), (251, 625580), (310, 506518), (502, 312790), (620, 253259), (1004, 156395), (1009, 155620), (1255, 125116), (2018, 77810), (2510, 62558), (4036, 38905), (5020, 31279), (5045, 31124), (7781, 20180), (10090, 15562)]