180051320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{104681}}^1$

素因数の和:104735

約数の個数: 32

約数和(自身を含む): 414540720

約数和(自身を除く): 234489400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 104681, 209362, 418724, 523405, 837448, 1046810, 2093620, 4187240, 4501283, 9002566, 18005132, 22506415, 36010264, 45012830, 90025660, 180051320]

約数ペア:

[(1, 180051320), (2, 90025660), (4, 45012830), (5, 36010264), (8, 22506415), (10, 18005132), (20, 9002566), (40, 4501283), (43, 4187240), (86, 2093620), (172, 1046810), (215, 837448), (344, 523405), (430, 418724), (860, 209362), (1720, 104681)]