1305640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4663}}^1$

素因数の和:4681

約数の個数: 32

約数和(自身を含む): 3358080

約数和(自身を除く): 2052440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4663, 9326, 18652, 23315, 32641, 37304, 46630, 65282, 93260, 130564, 163205, 186520, 261128, 326410, 652820, 1305640]

約数ペア:

[(1, 1305640), (2, 652820), (4, 326410), (5, 261128), (7, 186520), (8, 163205), (10, 130564), (14, 93260), (20, 65282), (28, 46630), (35, 37304), (40, 32641), (56, 23315), (70, 18652), (140, 9326), (280, 4663)]