640944

素因数分解:

$2^4\times 3^2\times {\mathrm{4451}}^1$

素因数の和:4465

約数の個数: 30

約数和(自身を含む): 1794156

約数和(自身を除く): 1153212

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4451, 8902, 13353, 17804, 26706, 35608, 40059, 53412, 71216, 80118, 106824, 160236, 213648, 320472, 640944]

約数ペア:

[(1, 640944), (2, 320472), (3, 213648), (4, 160236), (6, 106824), (8, 80118), (9, 71216), (12, 53412), (16, 40059), (18, 35608), (24, 26706), (36, 17804), (48, 13353), (72, 8902), (144, 4451)]