157280960

素因数分解:

$2^6\times 5^1\times {\mathrm{491503}}^1$

素因数の和:491520

約数の個数: 28

約数和(自身を含む): 374526048

約数和(自身を除く): 217245088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 491503, 983006, 1966012, 2457515, 3932024, 4915030, 7864048, 9830060, 15728096, 19660120, 31456192, 39320240, 78640480, 157280960]

約数ペア:

[(1, 157280960), (2, 78640480), (4, 39320240), (5, 31456192), (8, 19660120), (10, 15728096), (16, 9830060), (20, 7864048), (32, 4915030), (40, 3932024), (64, 2457515), (80, 1966012), (160, 983006), (320, 491503)]