643539456

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:383

約数の個数: 240

約数和(自身を含む): 2160183168

約数和(自身を除く): 1516643712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 71, 72, 84, 96, 112, 126, 128, 142, 144, 168, 192, 213, 224, 252, 256, 281, 284, 288, 336, 384, 426, 448, 497, 504, 512, 562, 568, 576, 639, 672, 768, 843, 852, 896, 994, 1008, 1124, 1136, 1152, 1278, 1344, 1491, 1536, 1686, 1704, 1792, 1967, 1988, 2016, 2248, 2272, 2304, 2529, 2556, 2688, 2982, 3372, 3408, 3584, 3934, 3976, 4032, 4473, 4496, 4544, 4608, 5058, 5112, 5376, 5901, 5964, 6744, 6816, 7868, 7952, 8064, 8946, 8992, 9088, 10116, 10224, 10752, 11802, 11928, 13488, 13632, 15736, 15904, 16128, 17703, 17892, 17984, 18176, 19951, 20232, 20448, 23604, 23856, 26976, 27264, 31472, 31808, 32256, 35406, 35784, 35968, 36352, 39902, 40464, 40896, 47208, 47712, 53952, 54528, 59853, 62944, 63616, 70812, 71568, 71936, 79804, 80928, 81792, 94416, 95424, 107904, 109056, 119706, 125888, 127232, 139657, 141624, 143136, 143872, 159608, 161856, 163584, 179559, 188832, 190848, 215808, 239412, 251776, 254464, 279314, 283248, 286272, 319216, 323712, 327168, 359118, 377664, 381696, 418971, 431616, 478824, 503552, 558628, 566496, 572544, 638432, 647424, 718236, 755328, 763392, 837942, 957648, 1007104, 1117256, 1132992, 1145088, 1256913, 1276864, 1294848, 1436472, 1510656, 1675884, 1915296, 2234512, 2265984, 2290176, 2513826, 2553728, 2872944, 3021312, 3351768, 3830592, 4469024, 4531968, 5027652, 5107456, 5745888, 6703536, 7661184, 8938048, 9063936, 10055304, 10214912, 11491776, 13407072, 15322368, 17876096, 20110608, 22983552, 26814144, 30644736, 35752192, 40221216, 45967104, 53628288, 71504384, 80442432, 91934208, 107256576, 160884864, 214513152, 321769728, 643539456]

約数ペア:

[(1, 643539456), (2, 321769728), (3, 214513152), (4, 160884864), (6, 107256576), (7, 91934208), (8, 80442432), (9, 71504384), (12, 53628288), (14, 45967104), (16, 40221216), (18, 35752192), (21, 30644736), (24, 26814144), (28, 22983552), (32, 20110608), (36, 17876096), (42, 15322368), (48, 13407072), (56, 11491776), (63, 10214912), (64, 10055304), (71, 9063936), (72, 8938048), (84, 7661184), (96, 6703536), (112, 5745888), (126, 5107456), (128, 5027652), (142, 4531968), (144, 4469024), (168, 3830592), (192, 3351768), (213, 3021312), (224, 2872944), (252, 2553728), (256, 2513826), (281, 2290176), (284, 2265984), (288, 2234512), (336, 1915296), (384, 1675884), (426, 1510656), (448, 1436472), (497, 1294848), (504, 1276864), (512, 1256913), (562, 1145088), (568, 1132992), (576, 1117256), (639, 1007104), (672, 957648), (768, 837942), (843, 763392), (852, 755328), (896, 718236), (994, 647424), (1008, 638432), (1124, 572544), (1136, 566496), (1152, 558628), (1278, 503552), (1344, 478824), (1491, 431616), (1536, 418971), (1686, 381696), (1704, 377664), (1792, 359118), (1967, 327168), (1988, 323712), (2016, 319216), (2248, 286272), (2272, 283248), (2304, 279314), (2529, 254464), (2556, 251776), (2688, 239412), (2982, 215808), (3372, 190848), (3408, 188832), (3584, 179559), (3934, 163584), (3976, 161856), (4032, 159608), (4473, 143872), (4496, 143136), (4544, 141624), (4608, 139657), (5058, 127232), (5112, 125888), (5376, 119706), (5901, 109056), (5964, 107904), (6744, 95424), (6816, 94416), (7868, 81792), (7952, 80928), (8064, 79804), (8946, 71936), (8992, 71568), (9088, 70812), (10116, 63616), (10224, 62944), (10752, 59853), (11802, 54528), (11928, 53952), (13488, 47712), (13632, 47208), (15736, 40896), (15904, 40464), (16128, 39902), (17703, 36352), (17892, 35968), (17984, 35784), (18176, 35406), (19951, 32256), (20232, 31808), (20448, 31472), (23604, 27264), (23856, 26976)]