8631420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20551}}^1$

素因数の和:20570

約数の個数: 48

約数和(自身を含む): 27621888

約数和(自身を除く): 18990468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20551, 41102, 61653, 82204, 102755, 123306, 143857, 205510, 246612, 287714, 308265, 411020, 431571, 575428, 616530, 719285, 863142, 1233060, 1438570, 1726284, 2157855, 2877140, 4315710, 8631420]

約数ペア:

[(1, 8631420), (2, 4315710), (3, 2877140), (4, 2157855), (5, 1726284), (6, 1438570), (7, 1233060), (10, 863142), (12, 719285), (14, 616530), (15, 575428), (20, 431571), (21, 411020), (28, 308265), (30, 287714), (35, 246612), (42, 205510), (60, 143857), (70, 123306), (84, 102755), (105, 82204), (140, 61653), (210, 41102), (420, 20551)]