15388140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{256469}}^1$

素因数の和:256481

約数の個数: 24

約数和(自身を含む): 43086960

約数和(自身を除く): 27698820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 256469, 512938, 769407, 1025876, 1282345, 1538814, 2564690, 3077628, 3847035, 5129380, 7694070, 15388140]

約数ペア:

[(1, 15388140), (2, 7694070), (3, 5129380), (4, 3847035), (5, 3077628), (6, 2564690), (10, 1538814), (12, 1282345), (15, 1025876), (20, 769407), (30, 512938), (60, 256469)]