205417728

素因数分解:

$2^8\times 3^3\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 144

約数和(自身を含む): 615162240

約数和(自身を除く): 409744512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 113, 128, 144, 192, 216, 226, 256, 263, 288, 339, 384, 432, 452, 526, 576, 678, 768, 789, 864, 904, 1017, 1052, 1152, 1356, 1578, 1728, 1808, 2034, 2104, 2304, 2367, 2712, 3051, 3156, 3456, 3616, 4068, 4208, 4734, 5424, 6102, 6312, 6912, 7101, 7232, 8136, 8416, 9468, 10848, 12204, 12624, 14202, 14464, 16272, 16832, 18936, 21696, 24408, 25248, 28404, 28928, 29719, 32544, 33664, 37872, 43392, 48816, 50496, 56808, 59438, 65088, 67328, 75744, 86784, 89157, 97632, 100992, 113616, 118876, 130176, 151488, 178314, 195264, 201984, 227232, 237752, 260352, 267471, 302976, 356628, 390528, 454464, 475504, 534942, 605952, 713256, 781056, 802413, 908928, 951008, 1069884, 1426512, 1604826, 1817856, 1902016, 2139768, 2853024, 3209652, 3804032, 4279536, 5706048, 6419304, 7608064, 8559072, 11412096, 12838608, 17118144, 22824192, 25677216, 34236288, 51354432, 68472576, 102708864, 205417728]

約数ペア:

[(1, 205417728), (2, 102708864), (3, 68472576), (4, 51354432), (6, 34236288), (8, 25677216), (9, 22824192), (12, 17118144), (16, 12838608), (18, 11412096), (24, 8559072), (27, 7608064), (32, 6419304), (36, 5706048), (48, 4279536), (54, 3804032), (64, 3209652), (72, 2853024), (96, 2139768), (108, 1902016), (113, 1817856), (128, 1604826), (144, 1426512), (192, 1069884), (216, 951008), (226, 908928), (256, 802413), (263, 781056), (288, 713256), (339, 605952), (384, 534942), (432, 475504), (452, 454464), (526, 390528), (576, 356628), (678, 302976), (768, 267471), (789, 260352), (864, 237752), (904, 227232), (1017, 201984), (1052, 195264), (1152, 178314), (1356, 151488), (1578, 130176), (1728, 118876), (1808, 113616), (2034, 100992), (2104, 97632), (2304, 89157), (2367, 86784), (2712, 75744), (3051, 67328), (3156, 65088), (3456, 59438), (3616, 56808), (4068, 50496), (4208, 48816), (4734, 43392), (5424, 37872), (6102, 33664), (6312, 32544), (6912, 29719), (7101, 28928), (7232, 28404), (8136, 25248), (8416, 24408), (9468, 21696), (10848, 18936), (12204, 16832), (12624, 16272), (14202, 14464)]