168490640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91571}}^1$

素因数の和:91607

約数の個数: 40

約数和(自身を含む): 408777408

約数和(自身を除く): 240286768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 91571, 183142, 366284, 457855, 732568, 915710, 1465136, 1831420, 2106133, 3662840, 4212266, 7325680, 8424532, 10530665, 16849064, 21061330, 33698128, 42122660, 84245320, 168490640]

約数ペア:

[(1, 168490640), (2, 84245320), (4, 42122660), (5, 33698128), (8, 21061330), (10, 16849064), (16, 10530665), (20, 8424532), (23, 7325680), (40, 4212266), (46, 3662840), (80, 2106133), (92, 1831420), (115, 1465136), (184, 915710), (230, 732568), (368, 457855), (460, 366284), (920, 183142), (1840, 91571)]