239917320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{666437}}^1$

素因数の和:666454

約数の個数: 48

約数和(自身を含む): 779732460

約数和(自身を除く): 539815140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 666437, 1332874, 1999311, 2665748, 3332185, 3998622, 5331496, 5997933, 6664370, 7997244, 9996555, 11995866, 13328740, 15994488, 19993110, 23991732, 26657480, 29989665, 39986220, 47983464, 59979330, 79972440, 119958660, 239917320]

約数ペア:

[(1, 239917320), (2, 119958660), (3, 79972440), (4, 59979330), (5, 47983464), (6, 39986220), (8, 29989665), (9, 26657480), (10, 23991732), (12, 19993110), (15, 15994488), (18, 13328740), (20, 11995866), (24, 9996555), (30, 7997244), (36, 6664370), (40, 5997933), (45, 5331496), (60, 3998622), (72, 3332185), (90, 2665748), (120, 1999311), (180, 1332874), (360, 666437)]