131455160

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 302054400

約数和(自身を除く): 170599240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 127, 226, 229, 254, 452, 458, 508, 565, 635, 904, 916, 1016, 1130, 1145, 1270, 1832, 2260, 2290, 2540, 4520, 4580, 5080, 9160, 14351, 25877, 28702, 29083, 51754, 57404, 58166, 71755, 103508, 114808, 116332, 129385, 143510, 145415, 207016, 232664, 258770, 287020, 290830, 517540, 574040, 581660, 1035080, 1163320, 3286379, 6572758, 13145516, 16431895, 26291032, 32863790, 65727580, 131455160]

約数ペア:

[(1, 131455160), (2, 65727580), (4, 32863790), (5, 26291032), (8, 16431895), (10, 13145516), (20, 6572758), (40, 3286379), (113, 1163320), (127, 1035080), (226, 581660), (229, 574040), (254, 517540), (452, 290830), (458, 287020), (508, 258770), (565, 232664), (635, 207016), (904, 145415), (916, 143510), (1016, 129385), (1130, 116332), (1145, 114808), (1270, 103508), (1832, 71755), (2260, 58166), (2290, 57404), (2540, 51754), (4520, 29083), (4580, 28702), (5080, 25877), (9160, 14351)]