72684080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129793}}^1$

素因数の和:129813

約数の個数: 40

約数和(自身を含む): 193133472

約数和(自身を除く): 120449392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129793, 259586, 519172, 648965, 908551, 1038344, 1297930, 1817102, 2076688, 2595860, 3634204, 4542755, 5191720, 7268408, 9085510, 10383440, 14536816, 18171020, 36342040, 72684080]

約数ペア:

[(1, 72684080), (2, 36342040), (4, 18171020), (5, 14536816), (7, 10383440), (8, 9085510), (10, 7268408), (14, 5191720), (16, 4542755), (20, 3634204), (28, 2595860), (35, 2076688), (40, 1817102), (56, 1297930), (70, 1038344), (80, 908551), (112, 648965), (140, 519172), (280, 259586), (560, 129793)]