15878660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3911}}^1$

素因数の和:3956

約数の個数: 48

約数和(自身を含む): 39432960

約数和(自身を除く): 23554300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3911, 4060, 7822, 15644, 19555, 27377, 39110, 54754, 78220, 109508, 113419, 136885, 226838, 273770, 453676, 547540, 567095, 793933, 1134190, 1587866, 2268380, 3175732, 3969665, 7939330, 15878660]

約数ペア:

[(1, 15878660), (2, 7939330), (4, 3969665), (5, 3175732), (7, 2268380), (10, 1587866), (14, 1134190), (20, 793933), (28, 567095), (29, 547540), (35, 453676), (58, 273770), (70, 226838), (116, 136885), (140, 113419), (145, 109508), (203, 78220), (290, 54754), (406, 39110), (580, 27377), (812, 19555), (1015, 15644), (2030, 7822), (3911, 4060)]