39402540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{479}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 120032640

約数和(自身を除く): 80630100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 479, 914, 958, 1371, 1437, 1828, 1916, 2285, 2395, 2742, 2874, 4113, 4311, 4570, 4790, 5484, 5748, 6855, 7185, 8226, 8622, 9140, 9580, 13710, 14370, 16452, 17244, 20565, 21555, 27420, 28740, 41130, 43110, 82260, 86220, 218903, 437806, 656709, 875612, 1094515, 1313418, 1970127, 2189030, 2626836, 3283545, 3940254, 4378060, 6567090, 7880508, 9850635, 13134180, 19701270, 39402540]

約数ペア:

[(1, 39402540), (2, 19701270), (3, 13134180), (4, 9850635), (5, 7880508), (6, 6567090), (9, 4378060), (10, 3940254), (12, 3283545), (15, 2626836), (18, 2189030), (20, 1970127), (30, 1313418), (36, 1094515), (45, 875612), (60, 656709), (90, 437806), (180, 218903), (457, 86220), (479, 82260), (914, 43110), (958, 41130), (1371, 28740), (1437, 27420), (1828, 21555), (1916, 20565), (2285, 17244), (2395, 16452), (2742, 14370), (2874, 13710), (4113, 9580), (4311, 9140), (4570, 8622), (4790, 8226), (5484, 7185), (5748, 6855)]