67680580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307639}}^1$

素因数の和:307659

約数の個数: 24

約数和(自身を含む): 155050560

約数和(自身を除く): 87369980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 307639, 615278, 1230556, 1538195, 3076390, 3384029, 6152780, 6768058, 13536116, 16920145, 33840290, 67680580]

約数ペア:

[(1, 67680580), (2, 33840290), (4, 16920145), (5, 13536116), (10, 6768058), (11, 6152780), (20, 3384029), (22, 3076390), (44, 1538195), (55, 1230556), (110, 615278), (220, 307639)]