168311480

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{18869}}^1$

素因数の和:19103

約数の個数: 32

約数和(自身を含む): 380419200

約数和(自身を除く): 212107720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 18869, 37738, 75476, 94345, 150952, 188690, 377380, 754760, 4207787, 8415574, 16831148, 21038935, 33662296, 42077870, 84155740, 168311480]

約数ペア:

[(1, 168311480), (2, 84155740), (4, 42077870), (5, 33662296), (8, 21038935), (10, 16831148), (20, 8415574), (40, 4207787), (223, 754760), (446, 377380), (892, 188690), (1115, 150952), (1784, 94345), (2230, 75476), (4460, 37738), (8920, 18869)]