39747420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{479}}^1$

素因数の和:955

約数の個数: 72

約数和(自身を含む): 121080960

約数和(自身を除く): 81333540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 461, 479, 922, 958, 1383, 1437, 1844, 1916, 2305, 2395, 2766, 2874, 4149, 4311, 4610, 4790, 5532, 5748, 6915, 7185, 8298, 8622, 9220, 9580, 13830, 14370, 16596, 17244, 20745, 21555, 27660, 28740, 41490, 43110, 82980, 86220, 220819, 441638, 662457, 883276, 1104095, 1324914, 1987371, 2208190, 2649828, 3312285, 3974742, 4416380, 6624570, 7949484, 9936855, 13249140, 19873710, 39747420]

約数ペア:

[(1, 39747420), (2, 19873710), (3, 13249140), (4, 9936855), (5, 7949484), (6, 6624570), (9, 4416380), (10, 3974742), (12, 3312285), (15, 2649828), (18, 2208190), (20, 1987371), (30, 1324914), (36, 1104095), (45, 883276), (60, 662457), (90, 441638), (180, 220819), (461, 86220), (479, 82980), (922, 43110), (958, 41490), (1383, 28740), (1437, 27660), (1844, 21555), (1916, 20745), (2305, 17244), (2395, 16596), (2766, 14370), (2874, 13830), (4149, 9580), (4311, 9220), (4610, 8622), (4790, 8298), (5532, 7185), (5748, 6915)]