156955120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280277}}^1$

素因数の和:280297

約数の個数: 40

約数和(自身を含む): 417053664

約数和(自身を除く): 260098544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280277, 560554, 1121108, 1401385, 1961939, 2242216, 2802770, 3923878, 4484432, 5605540, 7847756, 9809695, 11211080, 15695512, 19619390, 22422160, 31391024, 39238780, 78477560, 156955120]

約数ペア:

[(1, 156955120), (2, 78477560), (4, 39238780), (5, 31391024), (7, 22422160), (8, 19619390), (10, 15695512), (14, 11211080), (16, 9809695), (20, 7847756), (28, 5605540), (35, 4484432), (40, 3923878), (56, 2802770), (70, 2242216), (80, 1961939), (112, 1401385), (140, 1121108), (280, 560554), (560, 280277)]