281600256

素因数分解:

$2^8\times 3^1\times 7^3\times {\mathrm{1069}}^1$

素因数の和:1109

約数の個数: 144

約数和(自身を含む): 874832000

約数和(自身を除く): 593231744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 343, 384, 392, 448, 588, 672, 686, 768, 784, 896, 1029, 1069, 1176, 1344, 1372, 1568, 1792, 2058, 2138, 2352, 2688, 2744, 3136, 3207, 4116, 4276, 4704, 5376, 5488, 6272, 6414, 7483, 8232, 8552, 9408, 10976, 12544, 12828, 14966, 16464, 17104, 18816, 21952, 22449, 25656, 29932, 32928, 34208, 37632, 43904, 44898, 51312, 52381, 59864, 65856, 68416, 87808, 89796, 102624, 104762, 119728, 131712, 136832, 157143, 179592, 205248, 209524, 239456, 263424, 273664, 314286, 359184, 366667, 410496, 419048, 478912, 628572, 718368, 733334, 820992, 838096, 957824, 1100001, 1257144, 1436736, 1466668, 1676192, 1915648, 2200002, 2514288, 2873472, 2933336, 3352384, 4400004, 5028576, 5746944, 5866672, 6704768, 8800008, 10057152, 11733344, 13409536, 17600016, 20114304, 23466688, 35200032, 40228608, 46933376, 70400064, 93866752, 140800128, 281600256]

約数ペア:

[(1, 281600256), (2, 140800128), (3, 93866752), (4, 70400064), (6, 46933376), (7, 40228608), (8, 35200032), (12, 23466688), (14, 20114304), (16, 17600016), (21, 13409536), (24, 11733344), (28, 10057152), (32, 8800008), (42, 6704768), (48, 5866672), (49, 5746944), (56, 5028576), (64, 4400004), (84, 3352384), (96, 2933336), (98, 2873472), (112, 2514288), (128, 2200002), (147, 1915648), (168, 1676192), (192, 1466668), (196, 1436736), (224, 1257144), (256, 1100001), (294, 957824), (336, 838096), (343, 820992), (384, 733334), (392, 718368), (448, 628572), (588, 478912), (672, 419048), (686, 410496), (768, 366667), (784, 359184), (896, 314286), (1029, 273664), (1069, 263424), (1176, 239456), (1344, 209524), (1372, 205248), (1568, 179592), (1792, 157143), (2058, 136832), (2138, 131712), (2352, 119728), (2688, 104762), (2744, 102624), (3136, 89796), (3207, 87808), (4116, 68416), (4276, 65856), (4704, 59864), (5376, 52381), (5488, 51312), (6272, 44898), (6414, 43904), (7483, 37632), (8232, 34208), (8552, 32928), (9408, 29932), (10976, 25656), (12544, 22449), (12828, 21952), (14966, 18816), (16464, 17104)]