15218980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{108707}}^1$

素因数の和:108723

約数の個数: 24

約数和(自身を含む): 36525888

約数和(自身を除く): 21306908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 108707, 217414, 434828, 543535, 760949, 1087070, 1521898, 2174140, 3043796, 3804745, 7609490, 15218980]

約数ペア:

[(1, 15218980), (2, 7609490), (4, 3804745), (5, 3043796), (7, 2174140), (10, 1521898), (14, 1087070), (20, 760949), (28, 543535), (35, 434828), (70, 217414), (140, 108707)]