16440225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 29164800

約数和(自身を除く): 12724575

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 83, 95, 139, 249, 285, 415, 417, 475, 695, 1245, 1425, 1577, 2075, 2085, 2641, 3475, 4731, 6225, 7885, 7923, 10425, 11537, 13205, 23655, 34611, 39425, 39615, 57685, 66025, 118275, 173055, 198075, 219203, 288425, 657609, 865275, 1096015, 3288045, 5480075, 16440225]

約数ペア:

[(1, 16440225), (3, 5480075), (5, 3288045), (15, 1096015), (19, 865275), (25, 657609), (57, 288425), (75, 219203), (83, 198075), (95, 173055), (139, 118275), (249, 66025), (285, 57685), (415, 39615), (417, 39425), (475, 34611), (695, 23655), (1245, 13205), (1425, 11537), (1577, 10425), (2075, 7923), (2085, 7885), (2641, 6225), (3475, 4731)]