2181366540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{5501}}^1$

素因数の和:7719

約数の個数: 72

約数和(自身を含む): 6621018768

約数和(自身を除く): 4439652228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2203, 4406, 5501, 6609, 8812, 11002, 11015, 13218, 16503, 19827, 22004, 22030, 26436, 27505, 33006, 33045, 39654, 44060, 49509, 55010, 66012, 66090, 79308, 82515, 99018, 99135, 110020, 132180, 165030, 198036, 198270, 247545, 330060, 396540, 495090, 990180, 12118703, 24237406, 36356109, 48474812, 60593515, 72712218, 109068327, 121187030, 145424436, 181780545, 218136654, 242374060, 363561090, 436273308, 545341635, 727122180, 1090683270, 2181366540]

約数ペア:

[(1, 2181366540), (2, 1090683270), (3, 727122180), (4, 545341635), (5, 436273308), (6, 363561090), (9, 242374060), (10, 218136654), (12, 181780545), (15, 145424436), (18, 121187030), (20, 109068327), (30, 72712218), (36, 60593515), (45, 48474812), (60, 36356109), (90, 24237406), (180, 12118703), (2203, 990180), (4406, 495090), (5501, 396540), (6609, 330060), (8812, 247545), (11002, 198270), (11015, 198036), (13218, 165030), (16503, 132180), (19827, 110020), (22004, 99135), (22030, 99018), (26436, 82515), (27505, 79308), (33006, 66090), (33045, 66012), (39654, 55010), (44060, 49509)]