257910912

素因数分解:

$2^7\times 3^3\times 7^2\times {\mathrm{1523}}^1$

素因数の和:1560

約数の個数: 192

約数和(自身を含む): 886053600

約数和(自身を除く): 628142688

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, 84, 96, 98, 108, 112, 126, 128, 144, 147, 168, 189, 192, 196, 216, 224, 252, 288, 294, 336, 378, 384, 392, 432, 441, 448, 504, 576, 588, 672, 756, 784, 864, 882, 896, 1008, 1152, 1176, 1323, 1344, 1512, 1523, 1568, 1728, 1764, 2016, 2352, 2646, 2688, 3024, 3046, 3136, 3456, 3528, 4032, 4569, 4704, 5292, 6048, 6092, 6272, 7056, 8064, 9138, 9408, 10584, 10661, 12096, 12184, 13707, 14112, 18276, 18816, 21168, 21322, 24192, 24368, 27414, 28224, 31983, 36552, 41121, 42336, 42644, 48736, 54828, 56448, 63966, 73104, 74627, 82242, 84672, 85288, 95949, 97472, 109656, 127932, 146208, 149254, 164484, 169344, 170576, 191898, 194944, 219312, 223881, 255864, 287847, 292416, 298508, 328968, 341152, 383796, 438624, 447762, 511728, 575694, 584832, 597016, 657936, 671643, 682304, 767592, 877248, 895524, 1023456, 1151388, 1194032, 1315872, 1343286, 1364608, 1535184, 1754496, 1791048, 2014929, 2046912, 2302776, 2388064, 2631744, 2686572, 3070368, 3582096, 4029858, 4093824, 4605552, 4776128, 5263488, 5373144, 6140736, 7164192, 8059716, 9211104, 9552256, 10746288, 12281472, 14328384, 16119432, 18422208, 21492576, 28656768, 32238864, 36844416, 42985152, 64477728, 85970304, 128955456, 257910912]

約数ペア:

[(1, 257910912), (2, 128955456), (3, 85970304), (4, 64477728), (6, 42985152), (7, 36844416), (8, 32238864), (9, 28656768), (12, 21492576), (14, 18422208), (16, 16119432), (18, 14328384), (21, 12281472), (24, 10746288), (27, 9552256), (28, 9211104), (32, 8059716), (36, 7164192), (42, 6140736), (48, 5373144), (49, 5263488), (54, 4776128), (56, 4605552), (63, 4093824), (64, 4029858), (72, 3582096), (84, 3070368), (96, 2686572), (98, 2631744), (108, 2388064), (112, 2302776), (126, 2046912), (128, 2014929), (144, 1791048), (147, 1754496), (168, 1535184), (189, 1364608), (192, 1343286), (196, 1315872), (216, 1194032), (224, 1151388), (252, 1023456), (288, 895524), (294, 877248), (336, 767592), (378, 682304), (384, 671643), (392, 657936), (432, 597016), (441, 584832), (448, 575694), (504, 511728), (576, 447762), (588, 438624), (672, 383796), (756, 341152), (784, 328968), (864, 298508), (882, 292416), (896, 287847), (1008, 255864), (1152, 223881), (1176, 219312), (1323, 194944), (1344, 191898), (1512, 170576), (1523, 169344), (1568, 164484), (1728, 149254), (1764, 146208), (2016, 127932), (2352, 109656), (2646, 97472), (2688, 95949), (3024, 85288), (3046, 84672), (3136, 82242), (3456, 74627), (3528, 73104), (4032, 63966), (4569, 56448), (4704, 54828), (5292, 48736), (6048, 42644), (6092, 42336), (6272, 41121), (7056, 36552), (8064, 31983), (9138, 28224), (9408, 27414), (10584, 24368), (10661, 24192), (12096, 21322), (12184, 21168), (13707, 18816), (14112, 18276)]