639120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2663}}^1$

素因数の和:2679

約数の個数: 40

約数和(自身を含む): 1982016

約数和(自身を除く): 1342896

約数列:

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

約数ペア:

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