156810920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{560039}}^1$

素因数の和:560057

約数の個数: 32

約数和(自身を含む): 403228800

約数和(自身を除く): 246417880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 560039, 1120078, 2240156, 2800195, 3920273, 4480312, 5600390, 7840546, 11200780, 15681092, 19601365, 22401560, 31362184, 39202730, 78405460, 156810920]

約数ペア:

[(1, 156810920), (2, 78405460), (4, 39202730), (5, 31362184), (7, 22401560), (8, 19601365), (10, 15681092), (14, 11200780), (20, 7840546), (28, 5600390), (35, 4480312), (40, 3920273), (56, 2800195), (70, 2240156), (140, 1120078), (280, 560039)]