640296

素因数分解:

$2^3\times 3^2\times {\mathrm{8893}}^1$

素因数の和:8905

約数の個数: 24

約数和(自身を含む): 1734330

約数和(自身を除く): 1094034

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 8893, 17786, 26679, 35572, 53358, 71144, 80037, 106716, 160074, 213432, 320148, 640296]

約数ペア:

[(1, 640296), (2, 320148), (3, 213432), (4, 160074), (6, 106716), (8, 80037), (9, 71144), (12, 53358), (18, 35572), (24, 26679), (36, 17786), (72, 8893)]