9901800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{5501}}^1$

素因数の和:5523

約数の個数: 72

約数和(自身を含む): 33259590

約数和(自身を除く): 23357790

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 5501, 11002, 16503, 22004, 27505, 33006, 44008, 49509, 55010, 66012, 82515, 99018, 110020, 132024, 137525, 165030, 198036, 220040, 247545, 275050, 330060, 396072, 412575, 495090, 550100, 660120, 825150, 990180, 1100200, 1237725, 1650300, 1980360, 2475450, 3300600, 4950900, 9901800]

約数ペア:

[(1, 9901800), (2, 4950900), (3, 3300600), (4, 2475450), (5, 1980360), (6, 1650300), (8, 1237725), (9, 1100200), (10, 990180), (12, 825150), (15, 660120), (18, 550100), (20, 495090), (24, 412575), (25, 396072), (30, 330060), (36, 275050), (40, 247545), (45, 220040), (50, 198036), (60, 165030), (72, 137525), (75, 132024), (90, 110020), (100, 99018), (120, 82515), (150, 66012), (180, 55010), (200, 49509), (225, 44008), (300, 33006), (360, 27505), (450, 22004), (600, 16503), (900, 11002), (1800, 5501)]