161286080

素因数分解:

$2^6\times 5^1\times {\mathrm{701}}^1\times {\mathrm{719}}^1$

素因数の和:1437

約数の個数: 56

約数和(自身を含む): 385145280

約数和(自身を除く): 223859200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 701, 719, 1402, 1438, 2804, 2876, 3505, 3595, 5608, 5752, 7010, 7190, 11216, 11504, 14020, 14380, 22432, 23008, 28040, 28760, 44864, 46016, 56080, 57520, 112160, 115040, 224320, 230080, 504019, 1008038, 2016076, 2520095, 4032152, 5040190, 8064304, 10080380, 16128608, 20160760, 32257216, 40321520, 80643040, 161286080]

約数ペア:

[(1, 161286080), (2, 80643040), (4, 40321520), (5, 32257216), (8, 20160760), (10, 16128608), (16, 10080380), (20, 8064304), (32, 5040190), (40, 4032152), (64, 2520095), (80, 2016076), (160, 1008038), (320, 504019), (701, 230080), (719, 224320), (1402, 115040), (1438, 112160), (2804, 57520), (2876, 56080), (3505, 46016), (3595, 44864), (5608, 28760), (5752, 28040), (7010, 23008), (7190, 22432), (11216, 14380), (11504, 14020)]