86995980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1009}}^1$

素因数の和:1503

約数の個数: 72

約数和(自身を含む): 264700800

約数和(自身を除く): 177704820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1009, 1437, 1916, 2018, 2395, 2874, 3027, 4036, 4311, 4790, 5045, 5748, 6054, 7185, 8622, 9081, 9580, 10090, 12108, 14370, 15135, 17244, 18162, 20180, 21555, 28740, 30270, 36324, 43110, 45405, 60540, 86220, 90810, 181620, 483311, 966622, 1449933, 1933244, 2416555, 2899866, 4349799, 4833110, 5799732, 7249665, 8699598, 9666220, 14499330, 17399196, 21748995, 28998660, 43497990, 86995980]

約数ペア:

[(1, 86995980), (2, 43497990), (3, 28998660), (4, 21748995), (5, 17399196), (6, 14499330), (9, 9666220), (10, 8699598), (12, 7249665), (15, 5799732), (18, 4833110), (20, 4349799), (30, 2899866), (36, 2416555), (45, 1933244), (60, 1449933), (90, 966622), (180, 483311), (479, 181620), (958, 90810), (1009, 86220), (1437, 60540), (1916, 45405), (2018, 43110), (2395, 36324), (2874, 30270), (3027, 28740), (4036, 21555), (4311, 20180), (4790, 18162), (5045, 17244), (5748, 15135), (6054, 14370), (7185, 12108), (8622, 10090), (9081, 9580)]