81676656

素因数分解:

$2^4\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2207}}^1$

素因数の和:2478

約数の個数: 60

約数和(自身を含む): 229574592

約数和(自身を除く): 147897936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 257, 514, 771, 1028, 1542, 2056, 2207, 2313, 3084, 4112, 4414, 4626, 6168, 6621, 8828, 9252, 12336, 13242, 17656, 18504, 19863, 26484, 35312, 37008, 39726, 52968, 79452, 105936, 158904, 317808, 567199, 1134398, 1701597, 2268796, 3403194, 4537592, 5104791, 6806388, 9075184, 10209582, 13612776, 20419164, 27225552, 40838328, 81676656]

約数ペア:

[(1, 81676656), (2, 40838328), (3, 27225552), (4, 20419164), (6, 13612776), (8, 10209582), (9, 9075184), (12, 6806388), (16, 5104791), (18, 4537592), (24, 3403194), (36, 2268796), (48, 1701597), (72, 1134398), (144, 567199), (257, 317808), (514, 158904), (771, 105936), (1028, 79452), (1542, 52968), (2056, 39726), (2207, 37008), (2313, 35312), (3084, 26484), (4112, 19863), (4414, 18504), (4626, 17656), (6168, 13242), (6621, 12336), (8828, 9252)]