71157780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{395321}}^1$

素因数の和:395336

約数の個数: 36

約数和(自身を含む): 215845812

約数和(自身を除く): 144688032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 395321, 790642, 1185963, 1581284, 1976605, 2371926, 3557889, 3953210, 4743852, 5929815, 7115778, 7906420, 11859630, 14231556, 17789445, 23719260, 35578890, 71157780]

約数ペア:

[(1, 71157780), (2, 35578890), (3, 23719260), (4, 17789445), (5, 14231556), (6, 11859630), (9, 7906420), (10, 7115778), (12, 5929815), (15, 4743852), (18, 3953210), (20, 3557889), (30, 2371926), (36, 1976605), (45, 1581284), (60, 1185963), (90, 790642), (180, 395321)]