256557168

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1279}}^1$

素因数の和:1499

約数の個数: 120

約数和(自身を含む): 825344000

約数和(自身を除く): 568786832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 199, 252, 336, 398, 504, 597, 796, 1008, 1194, 1279, 1393, 1592, 1791, 2388, 2558, 2786, 3184, 3582, 3837, 4179, 4776, 5116, 5572, 7164, 7674, 8358, 8953, 9552, 10232, 11144, 11511, 12537, 14328, 15348, 16716, 17906, 20464, 22288, 23022, 25074, 26859, 28656, 30696, 33432, 35812, 46044, 50148, 53718, 61392, 66864, 71624, 80577, 92088, 100296, 107436, 143248, 161154, 184176, 200592, 214872, 254521, 322308, 429744, 509042, 644616, 763563, 1018084, 1289232, 1527126, 1781647, 2036168, 2290689, 3054252, 3563294, 4072336, 4581378, 5344941, 6108504, 7126588, 9162756, 10689882, 12217008, 14253176, 16034823, 18325512, 21379764, 28506352, 32069646, 36651024, 42759528, 64139292, 85519056, 128278584, 256557168]

約数ペア:

[(1, 256557168), (2, 128278584), (3, 85519056), (4, 64139292), (6, 42759528), (7, 36651024), (8, 32069646), (9, 28506352), (12, 21379764), (14, 18325512), (16, 16034823), (18, 14253176), (21, 12217008), (24, 10689882), (28, 9162756), (36, 7126588), (42, 6108504), (48, 5344941), (56, 4581378), (63, 4072336), (72, 3563294), (84, 3054252), (112, 2290689), (126, 2036168), (144, 1781647), (168, 1527126), (199, 1289232), (252, 1018084), (336, 763563), (398, 644616), (504, 509042), (597, 429744), (796, 322308), (1008, 254521), (1194, 214872), (1279, 200592), (1393, 184176), (1592, 161154), (1791, 143248), (2388, 107436), (2558, 100296), (2786, 92088), (3184, 80577), (3582, 71624), (3837, 66864), (4179, 61392), (4776, 53718), (5116, 50148), (5572, 46044), (7164, 35812), (7674, 33432), (8358, 30696), (8953, 28656), (9552, 26859), (10232, 25074), (11144, 23022), (11511, 22288), (12537, 20464), (14328, 17906), (15348, 16716)]