257381712

素因数分解:

$2^4\times 3^5\times 7^3\times {\mathrm{193}}^1$

素因数の和:237

約数の個数: 240

約数和(自身を含む): 875638400

約数和(自身を除く): 618256688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 98, 108, 112, 126, 144, 147, 162, 168, 189, 193, 196, 216, 243, 252, 294, 324, 336, 343, 378, 386, 392, 432, 441, 486, 504, 567, 579, 588, 648, 686, 756, 772, 784, 882, 972, 1008, 1029, 1134, 1158, 1176, 1296, 1323, 1351, 1372, 1512, 1544, 1701, 1737, 1764, 1944, 2058, 2268, 2316, 2352, 2646, 2702, 2744, 3024, 3087, 3088, 3402, 3474, 3528, 3888, 3969, 4053, 4116, 4536, 4632, 5211, 5292, 5404, 5488, 6174, 6804, 6948, 7056, 7938, 8106, 8232, 9072, 9261, 9264, 9457, 10422, 10584, 10808, 11907, 12159, 12348, 13608, 13896, 15633, 15876, 16212, 16464, 18522, 18914, 20844, 21168, 21616, 23814, 24318, 24696, 27216, 27783, 27792, 28371, 31266, 31752, 32424, 36477, 37044, 37828, 41688, 46899, 47628, 48636, 49392, 55566, 56742, 62532, 63504, 64848, 66199, 72954, 74088, 75656, 83349, 83376, 85113, 93798, 95256, 97272, 109431, 111132, 113484, 125064, 132398, 145908, 148176, 151312, 166698, 170226, 187596, 190512, 194544, 198597, 218862, 222264, 226968, 250128, 255339, 264796, 291816, 328293, 333396, 340452, 375192, 397194, 437724, 444528, 453936, 510678, 529592, 583632, 595791, 656586, 666792, 680904, 750384, 766017, 794388, 875448, 1021356, 1059184, 1191582, 1313172, 1333584, 1361808, 1532034, 1588776, 1750896, 1787373, 2042712, 2298051, 2383164, 2626344, 3064068, 3177552, 3574746, 4085424, 4596102, 4766328, 5252688, 5362119, 6128136, 7149492, 9192204, 9532656, 10724238, 12256272, 14298984, 16086357, 18384408, 21448476, 28597968, 32172714, 36768816, 42896952, 64345428, 85793904, 128690856, 257381712]

約数ペア:

[(1, 257381712), (2, 128690856), (3, 85793904), (4, 64345428), (6, 42896952), (7, 36768816), (8, 32172714), (9, 28597968), (12, 21448476), (14, 18384408), (16, 16086357), (18, 14298984), (21, 12256272), (24, 10724238), (27, 9532656), (28, 9192204), (36, 7149492), (42, 6128136), (48, 5362119), (49, 5252688), (54, 4766328), (56, 4596102), (63, 4085424), (72, 3574746), (81, 3177552), (84, 3064068), (98, 2626344), (108, 2383164), (112, 2298051), (126, 2042712), (144, 1787373), (147, 1750896), (162, 1588776), (168, 1532034), (189, 1361808), (193, 1333584), (196, 1313172), (216, 1191582), (243, 1059184), (252, 1021356), (294, 875448), (324, 794388), (336, 766017), (343, 750384), (378, 680904), (386, 666792), (392, 656586), (432, 595791), (441, 583632), (486, 529592), (504, 510678), (567, 453936), (579, 444528), (588, 437724), (648, 397194), (686, 375192), (756, 340452), (772, 333396), (784, 328293), (882, 291816), (972, 264796), (1008, 255339), (1029, 250128), (1134, 226968), (1158, 222264), (1176, 218862), (1296, 198597), (1323, 194544), (1351, 190512), (1372, 187596), (1512, 170226), (1544, 166698), (1701, 151312), (1737, 148176), (1764, 145908), (1944, 132398), (2058, 125064), (2268, 113484), (2316, 111132), (2352, 109431), (2646, 97272), (2702, 95256), (2744, 93798), (3024, 85113), (3087, 83376), (3088, 83349), (3402, 75656), (3474, 74088), (3528, 72954), (3888, 66199), (3969, 64848), (4053, 63504), (4116, 62532), (4536, 56742), (4632, 55566), (5211, 49392), (5292, 48636), (5404, 47628), (5488, 46899), (6174, 41688), (6804, 37828), (6948, 37044), (7056, 36477), (7938, 32424), (8106, 31752), (8232, 31266), (9072, 28371), (9261, 27792), (9264, 27783), (9457, 27216), (10422, 24696), (10584, 24318), (10808, 23814), (11907, 21616), (12159, 21168), (12348, 20844), (13608, 18914), (13896, 18522), (15633, 16464), (15876, 16212)]