257076240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1071151}}^1$

素因数の和:1071167

約数の個数: 40

約数和(自身を含む): 796937088

約数和(自身を除く): 539860848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1071151, 2142302, 3213453, 4284604, 5355755, 6426906, 8569208, 10711510, 12853812, 16067265, 17138416, 21423020, 25707624, 32134530, 42846040, 51415248, 64269060, 85692080, 128538120, 257076240]

約数ペア:

[(1, 257076240), (2, 128538120), (3, 85692080), (4, 64269060), (5, 51415248), (6, 42846040), (8, 32134530), (10, 25707624), (12, 21423020), (15, 17138416), (16, 16067265), (20, 12853812), (24, 10711510), (30, 8569208), (40, 6426906), (48, 5355755), (60, 4284604), (80, 3213453), (120, 2142302), (240, 1071151)]