204987888

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1279}}^1$

素因数の和:1356

約数の個数: 160

約数和(自身を含む): 685670400

約数和(自身を除く): 480682512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 53, 54, 56, 63, 72, 84, 106, 108, 112, 126, 144, 159, 168, 189, 212, 216, 252, 318, 336, 371, 378, 424, 432, 477, 504, 636, 742, 756, 848, 954, 1008, 1113, 1272, 1279, 1431, 1484, 1512, 1908, 2226, 2544, 2558, 2862, 2968, 3024, 3339, 3816, 3837, 4452, 5116, 5724, 5936, 6678, 7632, 7674, 8904, 8953, 10017, 10232, 11448, 11511, 13356, 15348, 17808, 17906, 20034, 20464, 22896, 23022, 26712, 26859, 30696, 34533, 35812, 40068, 46044, 53424, 53718, 61392, 67787, 69066, 71624, 80136, 80577, 92088, 107436, 135574, 138132, 143248, 160272, 161154, 184176, 203361, 214872, 241731, 271148, 276264, 322308, 406722, 429744, 474509, 483462, 542296, 552528, 610083, 644616, 813444, 949018, 966924, 1084592, 1220166, 1289232, 1423527, 1626888, 1830249, 1898036, 1933848, 2440332, 2847054, 3253776, 3660498, 3796072, 3867696, 4270581, 4880664, 5694108, 7320996, 7592144, 8541162, 9761328, 11388216, 12811743, 14641992, 17082324, 22776432, 25623486, 29283984, 34164648, 51246972, 68329296, 102493944, 204987888]

約数ペア:

[(1, 204987888), (2, 102493944), (3, 68329296), (4, 51246972), (6, 34164648), (7, 29283984), (8, 25623486), (9, 22776432), (12, 17082324), (14, 14641992), (16, 12811743), (18, 11388216), (21, 9761328), (24, 8541162), (27, 7592144), (28, 7320996), (36, 5694108), (42, 4880664), (48, 4270581), (53, 3867696), (54, 3796072), (56, 3660498), (63, 3253776), (72, 2847054), (84, 2440332), (106, 1933848), (108, 1898036), (112, 1830249), (126, 1626888), (144, 1423527), (159, 1289232), (168, 1220166), (189, 1084592), (212, 966924), (216, 949018), (252, 813444), (318, 644616), (336, 610083), (371, 552528), (378, 542296), (424, 483462), (432, 474509), (477, 429744), (504, 406722), (636, 322308), (742, 276264), (756, 271148), (848, 241731), (954, 214872), (1008, 203361), (1113, 184176), (1272, 161154), (1279, 160272), (1431, 143248), (1484, 138132), (1512, 135574), (1908, 107436), (2226, 92088), (2544, 80577), (2558, 80136), (2862, 71624), (2968, 69066), (3024, 67787), (3339, 61392), (3816, 53718), (3837, 53424), (4452, 46044), (5116, 40068), (5724, 35812), (5936, 34533), (6678, 30696), (7632, 26859), (7674, 26712), (8904, 23022), (8953, 22896), (10017, 20464), (10232, 20034), (11448, 17906), (11511, 17808), (13356, 15348)]