1980360

素因数分解:

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

素因数の和:5518

約数の個数: 48

約数和(自身を含む): 6437340

約数和(自身を除く): 4456980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 5501, 11002, 16503, 22004, 27505, 33006, 44008, 49509, 55010, 66012, 82515, 99018, 110020, 132024, 165030, 198036, 220040, 247545, 330060, 396072, 495090, 660120, 990180, 1980360]

約数ペア:

[(1, 1980360), (2, 990180), (3, 660120), (4, 495090), (5, 396072), (6, 330060), (8, 247545), (9, 220040), (10, 198036), (12, 165030), (15, 132024), (18, 110020), (20, 99018), (24, 82515), (30, 66012), (36, 55010), (40, 49509), (45, 44008), (60, 33006), (72, 27505), (90, 22004), (120, 16503), (180, 11002), (360, 5501)]