123378240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{128519}}^1$

素因数の和:128539

約数の個数: 56

約数和(自身を含む): 391728960

約数和(自身を除く): 268350720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 128519, 257038, 385557, 514076, 642595, 771114, 1028152, 1285190, 1542228, 1927785, 2056304, 2570380, 3084456, 3855570, 4112608, 5140760, 6168912, 7711140, 8225216, 10281520, 12337824, 15422280, 20563040, 24675648, 30844560, 41126080, 61689120, 123378240]

約数ペア:

[(1, 123378240), (2, 61689120), (3, 41126080), (4, 30844560), (5, 24675648), (6, 20563040), (8, 15422280), (10, 12337824), (12, 10281520), (15, 8225216), (16, 7711140), (20, 6168912), (24, 5140760), (30, 4112608), (32, 3855570), (40, 3084456), (48, 2570380), (60, 2056304), (64, 1927785), (80, 1542228), (96, 1285190), (120, 1028152), (160, 771114), (192, 642595), (240, 514076), (320, 385557), (480, 257038), (960, 128519)]