155761460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^3\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 338243472

約数和(自身を除く): 182482012

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 164, 205, 226, 410, 452, 565, 820, 1130, 1681, 2260, 3362, 4633, 6724, 8405, 9266, 16810, 18532, 23165, 33620, 46330, 68921, 92660, 137842, 189953, 275684, 344605, 379906, 689210, 759812, 949765, 1378420, 1899530, 3799060, 7788073, 15576146, 31152292, 38940365, 77880730, 155761460]

約数ペア:

[(1, 155761460), (2, 77880730), (4, 38940365), (5, 31152292), (10, 15576146), (20, 7788073), (41, 3799060), (82, 1899530), (113, 1378420), (164, 949765), (205, 759812), (226, 689210), (410, 379906), (452, 344605), (565, 275684), (820, 189953), (1130, 137842), (1681, 92660), (2260, 68921), (3362, 46330), (4633, 33620), (6724, 23165), (8405, 18532), (9266, 16810)]