221298660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{111767}}^1$

素因数の和:111793

約数の個数: 72

約数和(自身を含む): 732303936

約数和(自身を除く): 511005276

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, 111767, 223534, 335301, 447068, 558835, 670602, 1005903, 1117670, 1229437, 1341204, 1676505, 2011806, 2235340, 2458874, 3353010, 3688311, 4023612, 4917748, 5029515, 6147185, 6706020, 7376622, 10059030, 11064933, 12294370, 14753244, 18441555, 20118060, 22129866, 24588740, 36883110, 44259732, 55324665, 73766220, 110649330, 221298660]

約数ペア:

[(1, 221298660), (2, 110649330), (3, 73766220), (4, 55324665), (5, 44259732), (6, 36883110), (9, 24588740), (10, 22129866), (11, 20118060), (12, 18441555), (15, 14753244), (18, 12294370), (20, 11064933), (22, 10059030), (30, 7376622), (33, 6706020), (36, 6147185), (44, 5029515), (45, 4917748), (55, 4023612), (60, 3688311), (66, 3353010), (90, 2458874), (99, 2235340), (110, 2011806), (132, 1676505), (165, 1341204), (180, 1229437), (198, 1117670), (220, 1005903), (330, 670602), (396, 558835), (495, 447068), (660, 335301), (990, 223534), (1980, 111767)]