8638440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71987}}^1$

素因数の和:72001

約数の個数: 32

約数和(自身を含む): 25915680

約数和(自身を除く): 17277240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 71987, 143974, 215961, 287948, 359935, 431922, 575896, 719870, 863844, 1079805, 1439740, 1727688, 2159610, 2879480, 4319220, 8638440]

約数ペア:

[(1, 8638440), (2, 4319220), (3, 2879480), (4, 2159610), (5, 1727688), (6, 1439740), (8, 1079805), (10, 863844), (12, 719870), (15, 575896), (20, 431922), (24, 359935), (30, 287948), (40, 215961), (60, 143974), (120, 71987)]