38778540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{646309}}^1$

素因数の和:646321

約数の個数: 24

約数和(自身を含む): 108580080

約数和(自身を除く): 69801540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 646309, 1292618, 1938927, 2585236, 3231545, 3877854, 6463090, 7755708, 9694635, 12926180, 19389270, 38778540]

約数ペア:

[(1, 38778540), (2, 19389270), (3, 12926180), (4, 9694635), (5, 7755708), (6, 6463090), (10, 3877854), (12, 3231545), (15, 2585236), (20, 1938927), (30, 1292618), (60, 646309)]