1680580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7639}}^1$

素因数の和:7659

約数の個数: 24

約数和(自身を含む): 3850560

約数和(自身を除く): 2169980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 7639, 15278, 30556, 38195, 76390, 84029, 152780, 168058, 336116, 420145, 840290, 1680580]

約数ペア:

[(1, 1680580), (2, 840290), (4, 420145), (5, 336116), (10, 168058), (11, 152780), (20, 84029), (22, 76390), (44, 38195), (55, 30556), (110, 15278), (220, 7639)]