19803600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5501}}^1$

素因数の和:5525

約数の個数: 90

約数和(自身を含む): 68736486

約数和(自身を除く): 48932886

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5501, 11002, 16503, 22004, 27505, 33006, 44008, 49509, 55010, 66012, 82515, 88016, 99018, 110020, 132024, 137525, 165030, 198036, 220040, 247545, 264048, 275050, 330060, 396072, 412575, 440080, 495090, 550100, 660120, 792144, 825150, 990180, 1100200, 1237725, 1320240, 1650300, 1980360, 2200400, 2475450, 3300600, 3960720, 4950900, 6601200, 9901800, 19803600]

約数ペア:

[(1, 19803600), (2, 9901800), (3, 6601200), (4, 4950900), (5, 3960720), (6, 3300600), (8, 2475450), (9, 2200400), (10, 1980360), (12, 1650300), (15, 1320240), (16, 1237725), (18, 1100200), (20, 990180), (24, 825150), (25, 792144), (30, 660120), (36, 550100), (40, 495090), (45, 440080), (48, 412575), (50, 396072), (60, 330060), (72, 275050), (75, 264048), (80, 247545), (90, 220040), (100, 198036), (120, 165030), (144, 137525), (150, 132024), (180, 110020), (200, 99018), (225, 88016), (240, 82515), (300, 66012), (360, 55010), (400, 49509), (450, 44008), (600, 33006), (720, 27505), (900, 22004), (1200, 16503), (1800, 11002), (3600, 5501)]