1278240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{2663}}^1$

素因数の和:2681

約数の個数: 48

約数和(自身を含む): 4027968

約数和(自身を除く): 2749728

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, 2663, 5326, 7989, 10652, 13315, 15978, 21304, 26630, 31956, 39945, 42608, 53260, 63912, 79890, 85216, 106520, 127824, 159780, 213040, 255648, 319560, 426080, 639120, 1278240]

約数ペア:

[(1, 1278240), (2, 639120), (3, 426080), (4, 319560), (5, 255648), (6, 213040), (8, 159780), (10, 127824), (12, 106520), (15, 85216), (16, 79890), (20, 63912), (24, 53260), (30, 42608), (32, 39945), (40, 31956), (48, 26630), (60, 21304), (80, 15978), (96, 13315), (120, 10652), (160, 7989), (240, 5326), (480, 2663)]