65810220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{156691}}^1$

素因数の和:156710

約数の個数: 48

約数和(自身を含む): 210594048

約数和(自身を除く): 144783828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 156691, 313382, 470073, 626764, 783455, 940146, 1096837, 1566910, 1880292, 2193674, 2350365, 3133820, 3290511, 4387348, 4700730, 5484185, 6581022, 9401460, 10968370, 13162044, 16452555, 21936740, 32905110, 65810220]

約数ペア:

[(1, 65810220), (2, 32905110), (3, 21936740), (4, 16452555), (5, 13162044), (6, 10968370), (7, 9401460), (10, 6581022), (12, 5484185), (14, 4700730), (15, 4387348), (20, 3290511), (21, 3133820), (28, 2350365), (30, 2193674), (35, 1880292), (42, 1566910), (60, 1096837), (70, 940146), (84, 783455), (105, 626764), (140, 470073), (210, 313382), (420, 156691)]