157046720

素因数分解:

$2^6\times 5^1\times {\mathrm{490771}}^1$

素因数の和:490788

約数の個数: 28

約数和(自身を含む): 373968264

約数和(自身を除く): 216921544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490771, 981542, 1963084, 2453855, 3926168, 4907710, 7852336, 9815420, 15704672, 19630840, 31409344, 39261680, 78523360, 157046720]

約数ペア:

[(1, 157046720), (2, 78523360), (4, 39261680), (5, 31409344), (8, 19630840), (10, 15704672), (16, 9815420), (20, 7852336), (32, 4907710), (40, 3926168), (64, 2453855), (80, 1963084), (160, 981542), (320, 490771)]