10891980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5501}}^1$

素因数の和:5527

約数の個数: 72

約数和(自身を含む): 36049104

約数和(自身を除く): 25157124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 5501, 11002, 16503, 22004, 27505, 33006, 49509, 55010, 60511, 66012, 82515, 99018, 110020, 121022, 165030, 181533, 198036, 242044, 247545, 302555, 330060, 363066, 495090, 544599, 605110, 726132, 907665, 990180, 1089198, 1210220, 1815330, 2178396, 2722995, 3630660, 5445990, 10891980]

約数ペア:

[(1, 10891980), (2, 5445990), (3, 3630660), (4, 2722995), (5, 2178396), (6, 1815330), (9, 1210220), (10, 1089198), (11, 990180), (12, 907665), (15, 726132), (18, 605110), (20, 544599), (22, 495090), (30, 363066), (33, 330060), (36, 302555), (44, 247545), (45, 242044), (55, 198036), (60, 181533), (66, 165030), (90, 121022), (99, 110020), (110, 99018), (132, 82515), (165, 66012), (180, 60511), (198, 55010), (220, 49509), (330, 33006), (396, 27505), (495, 22004), (660, 16503), (990, 11002), (1980, 5501)]