257794440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2148287}}^1$

素因数の和:2148301

約数の個数: 32

約数和(自身を含む): 773383680

約数和(自身を除く): 515589240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2148287, 4296574, 6444861, 8593148, 10741435, 12889722, 17186296, 21482870, 25779444, 32224305, 42965740, 51558888, 64448610, 85931480, 128897220, 257794440]

約数ペア:

[(1, 257794440), (2, 128897220), (3, 85931480), (4, 64448610), (5, 51558888), (6, 42965740), (8, 32224305), (10, 25779444), (12, 21482870), (15, 17186296), (20, 12889722), (24, 10741435), (30, 8593148), (40, 6444861), (60, 4296574), (120, 2148287)]