1361080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4861}}^1$

素因数の和:4879

約数の個数: 32

約数和(自身を含む): 3500640

約数和(自身を除く): 2139560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4861, 9722, 19444, 24305, 34027, 38888, 48610, 68054, 97220, 136108, 170135, 194440, 272216, 340270, 680540, 1361080]

約数ペア:

[(1, 1361080), (2, 680540), (4, 340270), (5, 272216), (7, 194440), (8, 170135), (10, 136108), (14, 97220), (20, 68054), (28, 48610), (35, 38888), (40, 34027), (56, 24305), (70, 19444), (140, 9722), (280, 4861)]