257614560

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{1217}}^1$

素因数の和:1255

約数の個数: 288

約数和(自身を含む): 1049721120

約数和(自身を除く): 792106560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1217, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 2016, 2160, 2205, 2352, 2434, 2520, 2646, 2940, 3024, 3360, 3528, 3651, 3780, 3920, 4320, 4410, 4704, 4868, 5040, 5292, 5880, 6048, 6085, 6615, 7056, 7302, 7560, 7840, 8519, 8820, 9736, 10080, 10584, 10953, 11760, 12170, 13230, 14112, 14604, 15120, 17038, 17640, 18255, 19472, 21168, 21906, 23520, 24340, 25557, 26460, 29208, 30240, 32859, 34076, 35280, 36510, 38944, 42336, 42595, 43812, 48680, 51114, 52920, 54765, 58416, 59633, 65718, 68152, 70560, 73020, 76671, 85190, 87624, 97360, 102228, 105840, 109530, 116832, 119266, 127785, 131436, 136304, 146040, 153342, 164295, 170380, 175248, 178899, 194720, 204456, 211680, 219060, 230013, 238532, 255570, 262872, 272608, 292080, 298165, 306684, 328590, 340760, 350496, 357798, 383355, 408912, 438120, 460026, 477064, 511140, 525744, 536697, 584160, 596330, 613368, 657180, 681520, 715596, 766710, 817824, 876240, 894495, 920052, 954128, 1022280, 1051488, 1073394, 1150065, 1192660, 1226736, 1314360, 1363040, 1431192, 1533420, 1610091, 1752480, 1788990, 1840104, 1908256, 2044560, 2146788, 2300130, 2385320, 2453472, 2628720, 2683485, 2862384, 3066840, 3220182, 3577980, 3680208, 4089120, 4293576, 4600260, 4770640, 5257440, 5366970, 5724768, 6133680, 6440364, 7155960, 7360416, 8050455, 8587152, 9200520, 9541280, 10733940, 12267360, 12880728, 14311920, 16100910, 17174304, 18401040, 21467880, 25761456, 28623840, 32201820, 36802080, 42935760, 51522912, 64403640, 85871520, 128807280, 257614560]

約数ペア:

[(1, 257614560), (2, 128807280), (3, 85871520), (4, 64403640), (5, 51522912), (6, 42935760), (7, 36802080), (8, 32201820), (9, 28623840), (10, 25761456), (12, 21467880), (14, 18401040), (15, 17174304), (16, 16100910), (18, 14311920), (20, 12880728), (21, 12267360), (24, 10733940), (27, 9541280), (28, 9200520), (30, 8587152), (32, 8050455), (35, 7360416), (36, 7155960), (40, 6440364), (42, 6133680), (45, 5724768), (48, 5366970), (49, 5257440), (54, 4770640), (56, 4600260), (60, 4293576), (63, 4089120), (70, 3680208), (72, 3577980), (80, 3220182), (84, 3066840), (90, 2862384), (96, 2683485), (98, 2628720), (105, 2453472), (108, 2385320), (112, 2300130), (120, 2146788), (126, 2044560), (135, 1908256), (140, 1840104), (144, 1788990), (147, 1752480), (160, 1610091), (168, 1533420), (180, 1431192), (189, 1363040), (196, 1314360), (210, 1226736), (216, 1192660), (224, 1150065), (240, 1073394), (245, 1051488), (252, 1022280), (270, 954128), (280, 920052), (288, 894495), (294, 876240), (315, 817824), (336, 766710), (360, 715596), (378, 681520), (392, 657180), (420, 613368), (432, 596330), (441, 584160), (480, 536697), (490, 525744), (504, 511140), (540, 477064), (560, 460026), (588, 438120), (630, 408912), (672, 383355), (720, 357798), (735, 350496), (756, 340760), (784, 328590), (840, 306684), (864, 298165), (882, 292080), (945, 272608), (980, 262872), (1008, 255570), (1080, 238532), (1120, 230013), (1176, 219060), (1217, 211680), (1260, 204456), (1323, 194720), (1440, 178899), (1470, 175248), (1512, 170380), (1568, 164295), (1680, 153342), (1764, 146040), (1890, 136304), (1960, 131436), (2016, 127785), (2160, 119266), (2205, 116832), (2352, 109530), (2434, 105840), (2520, 102228), (2646, 97360), (2940, 87624), (3024, 85190), (3360, 76671), (3528, 73020), (3651, 70560), (3780, 68152), (3920, 65718), (4320, 59633), (4410, 58416), (4704, 54765), (4868, 52920), (5040, 51114), (5292, 48680), (5880, 43812), (6048, 42595), (6085, 42336), (6615, 38944), (7056, 36510), (7302, 35280), (7560, 34076), (7840, 32859), (8519, 30240), (8820, 29208), (9736, 26460), (10080, 25557), (10584, 24340), (10953, 23520), (11760, 21906), (12170, 21168), (13230, 19472), (14112, 18255), (14604, 17640), (15120, 17038)]