138945120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{289469}}^1$

素因数の和:289487

約数の個数: 48

約数和(自身を含む): 437678640

約数和(自身を除く): 298733520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 289469, 578938, 868407, 1157876, 1447345, 1736814, 2315752, 2894690, 3473628, 4342035, 4631504, 5789380, 6947256, 8684070, 9263008, 11578760, 13894512, 17368140, 23157520, 27789024, 34736280, 46315040, 69472560, 138945120]

約数ペア:

[(1, 138945120), (2, 69472560), (3, 46315040), (4, 34736280), (5, 27789024), (6, 23157520), (8, 17368140), (10, 13894512), (12, 11578760), (15, 9263008), (16, 8684070), (20, 6947256), (24, 5789380), (30, 4631504), (32, 4342035), (40, 3473628), (48, 2894690), (60, 2315752), (80, 1736814), (96, 1447345), (120, 1157876), (160, 868407), (240, 578938), (480, 289469)]