128395620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{713309}}^1$

素因数の和:713324

約数の個数: 36

約数和(自身を含む): 389467260

約数和(自身を除く): 261071640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 713309, 1426618, 2139927, 2853236, 3566545, 4279854, 6419781, 7133090, 8559708, 10699635, 12839562, 14266180, 21399270, 25679124, 32098905, 42798540, 64197810, 128395620]

約数ペア:

[(1, 128395620), (2, 64197810), (3, 42798540), (4, 32098905), (5, 25679124), (6, 21399270), (9, 14266180), (10, 12839562), (12, 10699635), (15, 8559708), (18, 7133090), (20, 6419781), (30, 4279854), (36, 3566545), (45, 2853236), (60, 2139927), (90, 1426618), (180, 713309)]