320304040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1143943}}^1$

素因数の和:1143961

約数の個数: 32

約数和(自身を含む): 823639680

約数和(自身を除く): 503335640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1143943, 2287886, 4575772, 5719715, 8007601, 9151544, 11439430, 16015202, 22878860, 32030404, 40038005, 45757720, 64060808, 80076010, 160152020, 320304040]

約数ペア:

[(1, 320304040), (2, 160152020), (4, 80076010), (5, 64060808), (7, 45757720), (8, 40038005), (10, 32030404), (14, 22878860), (20, 16015202), (28, 11439430), (35, 9151544), (40, 8007601), (56, 5719715), (70, 4575772), (140, 2287886), (280, 1143943)]