131437890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{162269}}^1$

素因数の和:162288

約数の個数: 40

約数和(自身を含む): 353424060

約数和(自身を除く): 221986170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 162269, 324538, 486807, 811345, 973614, 1460421, 1622690, 2434035, 2920842, 4381263, 4868070, 7302105, 8762526, 13143789, 14604210, 21906315, 26287578, 43812630, 65718945, 131437890]

約数ペア:

[(1, 131437890), (2, 65718945), (3, 43812630), (5, 26287578), (6, 21906315), (9, 14604210), (10, 13143789), (15, 8762526), (18, 7302105), (27, 4868070), (30, 4381263), (45, 2920842), (54, 2434035), (81, 1622690), (90, 1460421), (135, 973614), (162, 811345), (270, 486807), (405, 324538), (810, 162269)]