78217980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1303633}}^1$

素因数の和:1303645

約数の個数: 24

約数和(自身を含む): 219010512

約数和(自身を除く): 140792532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1303633, 2607266, 3910899, 5214532, 6518165, 7821798, 13036330, 15643596, 19554495, 26072660, 39108990, 78217980]

約数ペア:

[(1, 78217980), (2, 39108990), (3, 26072660), (4, 19554495), (5, 15643596), (6, 13036330), (10, 7821798), (12, 6518165), (15, 5214532), (20, 3910899), (30, 2607266), (60, 1303633)]