84678660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42767}}^1$

素因数の和:42793

約数の個数: 72

約数和(自身を含む): 280215936

約数和(自身を除く): 195537276

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, 42767, 85534, 128301, 171068, 213835, 256602, 384903, 427670, 470437, 513204, 641505, 769806, 855340, 940874, 1283010, 1411311, 1539612, 1881748, 1924515, 2352185, 2566020, 2822622, 3849030, 4233933, 4704370, 5645244, 7056555, 7698060, 8467866, 9408740, 14113110, 16935732, 21169665, 28226220, 42339330, 84678660]

約数ペア:

[(1, 84678660), (2, 42339330), (3, 28226220), (4, 21169665), (5, 16935732), (6, 14113110), (9, 9408740), (10, 8467866), (11, 7698060), (12, 7056555), (15, 5645244), (18, 4704370), (20, 4233933), (22, 3849030), (30, 2822622), (33, 2566020), (36, 2352185), (44, 1924515), (45, 1881748), (55, 1539612), (60, 1411311), (66, 1283010), (90, 940874), (99, 855340), (110, 769806), (132, 641505), (165, 513204), (180, 470437), (198, 427670), (220, 384903), (330, 256602), (396, 213835), (495, 171068), (660, 128301), (990, 85534), (1980, 42767)]