128538120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1071151}}^1$

素因数の和:1071165

約数の個数: 32

約数和(自身を含む): 385614720

約数和(自身を除く): 257076600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1071151, 2142302, 3213453, 4284604, 5355755, 6426906, 8569208, 10711510, 12853812, 16067265, 21423020, 25707624, 32134530, 42846040, 64269060, 128538120]

約数ペア:

[(1, 128538120), (2, 64269060), (3, 42846040), (4, 32134530), (5, 25707624), (6, 21423020), (8, 16067265), (10, 12853812), (12, 10711510), (15, 8569208), (20, 6426906), (24, 5355755), (30, 4284604), (40, 3213453), (60, 2142302), (120, 1071151)]