15978000

素因数分解:

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

素因数の和:2689

約数の個数: 80

約数和(自身を含む): 51532416

約数和(自身を除く): 35554416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 2663, 3000, 5326, 6000, 7989, 10652, 13315, 15978, 21304, 26630, 31956, 39945, 42608, 53260, 63912, 66575, 79890, 106520, 127824, 133150, 159780, 199725, 213040, 266300, 319560, 332875, 399450, 532600, 639120, 665750, 798900, 998625, 1065200, 1331500, 1597800, 1997250, 2663000, 3195600, 3994500, 5326000, 7989000, 15978000]

約数ペア:

[(1, 15978000), (2, 7989000), (3, 5326000), (4, 3994500), (5, 3195600), (6, 2663000), (8, 1997250), (10, 1597800), (12, 1331500), (15, 1065200), (16, 998625), (20, 798900), (24, 665750), (25, 639120), (30, 532600), (40, 399450), (48, 332875), (50, 319560), (60, 266300), (75, 213040), (80, 199725), (100, 159780), (120, 133150), (125, 127824), (150, 106520), (200, 79890), (240, 66575), (250, 63912), (300, 53260), (375, 42608), (400, 39945), (500, 31956), (600, 26630), (750, 21304), (1000, 15978), (1200, 13315), (1500, 10652), (2000, 7989), (2663, 6000), (3000, 5326)]