81200730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208207}}^1$

素因数の和:208230

約数の個数: 32

約数和(自身を含む): 209873664

約数和(自身を除く): 128672934

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 208207, 416414, 624621, 1041035, 1249242, 2082070, 2706691, 3123105, 5413382, 6246210, 8120073, 13533455, 16240146, 27066910, 40600365, 81200730]

約数ペア:

[(1, 81200730), (2, 40600365), (3, 27066910), (5, 16240146), (6, 13533455), (10, 8120073), (13, 6246210), (15, 5413382), (26, 3123105), (30, 2706691), (39, 2082070), (65, 1249242), (78, 1041035), (130, 624621), (195, 416414), (390, 208207)]