642406464

素因数分解:

$2^6\times 3^6\times 7^2\times {\mathrm{281}}^1$

素因数の和:325

約数の個数: 294

約数和(自身を含む): 2231248014

約数和(自身を除く): 1588841550

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 192, 196, 216, 224, 243, 252, 281, 288, 294, 324, 336, 378, 392, 432, 441, 448, 486, 504, 562, 567, 576, 588, 648, 672, 729, 756, 784, 843, 864, 882, 972, 1008, 1124, 1134, 1176, 1296, 1323, 1344, 1458, 1512, 1568, 1686, 1701, 1728, 1764, 1944, 1967, 2016, 2248, 2268, 2352, 2529, 2592, 2646, 2916, 3024, 3136, 3372, 3402, 3528, 3888, 3934, 3969, 4032, 4496, 4536, 4704, 5058, 5103, 5184, 5292, 5832, 5901, 6048, 6744, 6804, 7056, 7587, 7776, 7868, 7938, 8992, 9072, 9408, 10116, 10206, 10584, 11664, 11802, 11907, 12096, 13488, 13608, 13769, 14112, 15174, 15552, 15736, 15876, 17703, 17984, 18144, 20232, 20412, 21168, 22761, 23328, 23604, 23814, 26976, 27216, 27538, 28224, 30348, 31472, 31752, 35406, 35721, 36288, 40464, 40824, 41307, 42336, 45522, 46656, 47208, 47628, 53109, 53952, 54432, 55076, 60696, 62944, 63504, 68283, 70812, 71442, 80928, 81648, 82614, 84672, 91044, 94416, 95256, 106218, 108864, 110152, 121392, 123921, 125888, 127008, 136566, 141624, 142884, 159327, 161856, 163296, 165228, 182088, 188832, 190512, 204849, 212436, 220304, 242784, 247842, 254016, 273132, 283248, 285768, 318654, 326592, 330456, 364176, 371763, 377664, 381024, 409698, 424872, 440608, 477981, 485568, 495684, 546264, 566496, 571536, 637308, 660912, 728352, 743526, 762048, 819396, 849744, 881216, 955962, 991368, 1092528, 1115289, 1132992, 1143072, 1274616, 1321824, 1433943, 1456704, 1487052, 1638792, 1699488, 1911924, 1982736, 2185056, 2230578, 2286144, 2549232, 2643648, 2867886, 2974104, 3277584, 3345867, 3398976, 3823848, 3965472, 4370112, 4461156, 5098464, 5735772, 5948208, 6555168, 6691734, 7647696, 7930944, 8922312, 10037601, 10196928, 11471544, 11896416, 13110336, 13383468, 15295392, 17844624, 20075202, 22943088, 23792832, 26766936, 30590784, 35689248, 40150404, 45886176, 53533872, 71378496, 80300808, 91772352, 107067744, 160601616, 214135488, 321203232, 642406464]

約数ペア:

[(1, 642406464), (2, 321203232), (3, 214135488), (4, 160601616), (6, 107067744), (7, 91772352), (8, 80300808), (9, 71378496), (12, 53533872), (14, 45886176), (16, 40150404), (18, 35689248), (21, 30590784), (24, 26766936), (27, 23792832), (28, 22943088), (32, 20075202), (36, 17844624), (42, 15295392), (48, 13383468), (49, 13110336), (54, 11896416), (56, 11471544), (63, 10196928), (64, 10037601), (72, 8922312), (81, 7930944), (84, 7647696), (96, 6691734), (98, 6555168), (108, 5948208), (112, 5735772), (126, 5098464), (144, 4461156), (147, 4370112), (162, 3965472), (168, 3823848), (189, 3398976), (192, 3345867), (196, 3277584), (216, 2974104), (224, 2867886), (243, 2643648), (252, 2549232), (281, 2286144), (288, 2230578), (294, 2185056), (324, 1982736), (336, 1911924), (378, 1699488), (392, 1638792), (432, 1487052), (441, 1456704), (448, 1433943), (486, 1321824), (504, 1274616), (562, 1143072), (567, 1132992), (576, 1115289), (588, 1092528), (648, 991368), (672, 955962), (729, 881216), (756, 849744), (784, 819396), (843, 762048), (864, 743526), (882, 728352), (972, 660912), (1008, 637308), (1124, 571536), (1134, 566496), (1176, 546264), (1296, 495684), (1323, 485568), (1344, 477981), (1458, 440608), (1512, 424872), (1568, 409698), (1686, 381024), (1701, 377664), (1728, 371763), (1764, 364176), (1944, 330456), (1967, 326592), (2016, 318654), (2248, 285768), (2268, 283248), (2352, 273132), (2529, 254016), (2592, 247842), (2646, 242784), (2916, 220304), (3024, 212436), (3136, 204849), (3372, 190512), (3402, 188832), (3528, 182088), (3888, 165228), (3934, 163296), (3969, 161856), (4032, 159327), (4496, 142884), (4536, 141624), (4704, 136566), (5058, 127008), (5103, 125888), (5184, 123921), (5292, 121392), (5832, 110152), (5901, 108864), (6048, 106218), (6744, 95256), (6804, 94416), (7056, 91044), (7587, 84672), (7776, 82614), (7868, 81648), (7938, 80928), (8992, 71442), (9072, 70812), (9408, 68283), (10116, 63504), (10206, 62944), (10584, 60696), (11664, 55076), (11802, 54432), (11907, 53952), (12096, 53109), (13488, 47628), (13608, 47208), (13769, 46656), (14112, 45522), (15174, 42336), (15552, 41307), (15736, 40824), (15876, 40464), (17703, 36288), (17984, 35721), (18144, 35406), (20232, 31752), (20412, 31472), (21168, 30348), (22761, 28224), (23328, 27538), (23604, 27216), (23814, 26976)]