638342208

素因数分解:

$2^6\times 3^4\times 7^3\times {\mathrm{359}}^1$

素因数の和:404

約数の個数: 280

約数和(自身を含む): 2212848000

約数和(自身を除く): 1574505792

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, 252, 288, 294, 324, 336, 343, 359, 378, 392, 432, 441, 448, 504, 567, 576, 588, 648, 672, 686, 718, 756, 784, 864, 882, 1008, 1029, 1077, 1134, 1176, 1296, 1323, 1344, 1372, 1436, 1512, 1568, 1728, 1764, 2016, 2058, 2154, 2268, 2352, 2513, 2592, 2646, 2744, 2872, 3024, 3087, 3136, 3231, 3528, 3969, 4032, 4116, 4308, 4536, 4704, 5026, 5184, 5292, 5488, 5744, 6048, 6174, 6462, 7056, 7539, 7938, 8232, 8616, 9072, 9261, 9408, 9693, 10052, 10584, 10976, 11488, 12096, 12348, 12924, 14112, 15078, 15876, 16464, 17232, 17591, 18144, 18522, 19386, 20104, 21168, 21952, 22617, 22976, 24696, 25848, 27783, 28224, 29079, 30156, 31752, 32928, 34464, 35182, 36288, 37044, 38772, 40208, 42336, 45234, 49392, 51696, 52773, 55566, 58158, 60312, 63504, 65856, 67851, 68928, 70364, 74088, 77544, 80416, 84672, 90468, 98784, 103392, 105546, 111132, 116316, 120624, 123137, 127008, 135702, 140728, 148176, 155088, 158319, 160832, 180936, 197568, 203553, 206784, 211092, 222264, 232632, 241248, 246274, 254016, 271404, 281456, 296352, 310176, 316638, 361872, 369411, 407106, 422184, 444528, 465264, 474957, 482496, 492548, 542808, 562912, 592704, 620352, 633276, 723744, 738822, 814212, 844368, 889056, 930528, 949914, 985096, 1085616, 1108233, 1125824, 1266552, 1424871, 1447488, 1477644, 1628424, 1688736, 1778112, 1861056, 1899828, 1970192, 2171232, 2216466, 2533104, 2849742, 2955288, 3256848, 3324699, 3377472, 3799656, 3940384, 4342464, 4432932, 5066208, 5699484, 5910576, 6513696, 6649398, 7599312, 7880768, 8865864, 9974097, 10132416, 11398968, 11821152, 13027392, 13298796, 15198624, 17731728, 19948194, 22797936, 23642304, 26597592, 30397248, 35463456, 39896388, 45595872, 53195184, 70926912, 79792776, 91191744, 106390368, 159585552, 212780736, 319171104, 638342208]

約数ペア:

[(1, 638342208), (2, 319171104), (3, 212780736), (4, 159585552), (6, 106390368), (7, 91191744), (8, 79792776), (9, 70926912), (12, 53195184), (14, 45595872), (16, 39896388), (18, 35463456), (21, 30397248), (24, 26597592), (27, 23642304), (28, 22797936), (32, 19948194), (36, 17731728), (42, 15198624), (48, 13298796), (49, 13027392), (54, 11821152), (56, 11398968), (63, 10132416), (64, 9974097), (72, 8865864), (81, 7880768), (84, 7599312), (96, 6649398), (98, 6513696), (108, 5910576), (112, 5699484), (126, 5066208), (144, 4432932), (147, 4342464), (162, 3940384), (168, 3799656), (189, 3377472), (192, 3324699), (196, 3256848), (216, 2955288), (224, 2849742), (252, 2533104), (288, 2216466), (294, 2171232), (324, 1970192), (336, 1899828), (343, 1861056), (359, 1778112), (378, 1688736), (392, 1628424), (432, 1477644), (441, 1447488), (448, 1424871), (504, 1266552), (567, 1125824), (576, 1108233), (588, 1085616), (648, 985096), (672, 949914), (686, 930528), (718, 889056), (756, 844368), (784, 814212), (864, 738822), (882, 723744), (1008, 633276), (1029, 620352), (1077, 592704), (1134, 562912), (1176, 542808), (1296, 492548), (1323, 482496), (1344, 474957), (1372, 465264), (1436, 444528), (1512, 422184), (1568, 407106), (1728, 369411), (1764, 361872), (2016, 316638), (2058, 310176), (2154, 296352), (2268, 281456), (2352, 271404), (2513, 254016), (2592, 246274), (2646, 241248), (2744, 232632), (2872, 222264), (3024, 211092), (3087, 206784), (3136, 203553), (3231, 197568), (3528, 180936), (3969, 160832), (4032, 158319), (4116, 155088), (4308, 148176), (4536, 140728), (4704, 135702), (5026, 127008), (5184, 123137), (5292, 120624), (5488, 116316), (5744, 111132), (6048, 105546), (6174, 103392), (6462, 98784), (7056, 90468), (7539, 84672), (7938, 80416), (8232, 77544), (8616, 74088), (9072, 70364), (9261, 68928), (9408, 67851), (9693, 65856), (10052, 63504), (10584, 60312), (10976, 58158), (11488, 55566), (12096, 52773), (12348, 51696), (12924, 49392), (14112, 45234), (15078, 42336), (15876, 40208), (16464, 38772), (17232, 37044), (17591, 36288), (18144, 35182), (18522, 34464), (19386, 32928), (20104, 31752), (21168, 30156), (21952, 29079), (22617, 28224), (22976, 27783), (24696, 25848)]