215875620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1199309}}^1$

素因数の和:1199324

約数の個数: 36

約数和(自身を含む): 654823260

約数和(自身を除く): 438947640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1199309, 2398618, 3597927, 4797236, 5996545, 7195854, 10793781, 11993090, 14391708, 17989635, 21587562, 23986180, 35979270, 43175124, 53968905, 71958540, 107937810, 215875620]

約数ペア:

[(1, 215875620), (2, 107937810), (3, 71958540), (4, 53968905), (5, 43175124), (6, 35979270), (9, 23986180), (10, 21587562), (12, 17989635), (15, 14391708), (18, 11993090), (20, 10793781), (30, 7195854), (36, 5996545), (45, 4797236), (60, 3597927), (90, 2398618), (180, 1199309)]