256824960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:323

約数の個数: 256

約数和(自身を含む): 950019840

約数和(自身を除く): 693194880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 97, 105, 112, 120, 128, 140, 160, 168, 192, 194, 197, 210, 224, 240, 280, 291, 320, 336, 384, 388, 394, 420, 448, 480, 485, 560, 582, 591, 640, 672, 679, 776, 788, 840, 896, 960, 970, 985, 1120, 1164, 1182, 1344, 1358, 1379, 1455, 1552, 1576, 1680, 1920, 1940, 1970, 2037, 2240, 2328, 2364, 2688, 2716, 2758, 2910, 2955, 3104, 3152, 3360, 3395, 3880, 3940, 4074, 4137, 4480, 4656, 4728, 5432, 5516, 5820, 5910, 6208, 6304, 6720, 6790, 6895, 7760, 7880, 8148, 8274, 9312, 9456, 10185, 10864, 11032, 11640, 11820, 12416, 12608, 13440, 13580, 13790, 15520, 15760, 16296, 16548, 18624, 18912, 19109, 20370, 20685, 21728, 22064, 23280, 23640, 25216, 27160, 27580, 31040, 31520, 32592, 33096, 37248, 37824, 38218, 40740, 41370, 43456, 44128, 46560, 47280, 54320, 55160, 57327, 62080, 63040, 65184, 66192, 75648, 76436, 81480, 82740, 86912, 88256, 93120, 94560, 95545, 108640, 110320, 114654, 126080, 130368, 132384, 133763, 152872, 162960, 165480, 176512, 186240, 189120, 191090, 217280, 220640, 229308, 260736, 264768, 267526, 286635, 305744, 325920, 330960, 378240, 382180, 401289, 434560, 441280, 458616, 529536, 535052, 573270, 611488, 651840, 661920, 668815, 764360, 802578, 882560, 917232, 1070104, 1146540, 1222976, 1303680, 1323840, 1337630, 1528720, 1605156, 1834464, 2006445, 2140208, 2293080, 2445952, 2647680, 2675260, 3057440, 3210312, 3668928, 4012890, 4280416, 4586160, 5350520, 6114880, 6420624, 7337856, 8025780, 8560832, 9172320, 10701040, 12229760, 12841248, 16051560, 17121664, 18344640, 21402080, 25682496, 32103120, 36689280, 42804160, 51364992, 64206240, 85608320, 128412480, 256824960]

約数ペア:

[(1, 256824960), (2, 128412480), (3, 85608320), (4, 64206240), (5, 51364992), (6, 42804160), (7, 36689280), (8, 32103120), (10, 25682496), (12, 21402080), (14, 18344640), (15, 17121664), (16, 16051560), (20, 12841248), (21, 12229760), (24, 10701040), (28, 9172320), (30, 8560832), (32, 8025780), (35, 7337856), (40, 6420624), (42, 6114880), (48, 5350520), (56, 4586160), (60, 4280416), (64, 4012890), (70, 3668928), (80, 3210312), (84, 3057440), (96, 2675260), (97, 2647680), (105, 2445952), (112, 2293080), (120, 2140208), (128, 2006445), (140, 1834464), (160, 1605156), (168, 1528720), (192, 1337630), (194, 1323840), (197, 1303680), (210, 1222976), (224, 1146540), (240, 1070104), (280, 917232), (291, 882560), (320, 802578), (336, 764360), (384, 668815), (388, 661920), (394, 651840), (420, 611488), (448, 573270), (480, 535052), (485, 529536), (560, 458616), (582, 441280), (591, 434560), (640, 401289), (672, 382180), (679, 378240), (776, 330960), (788, 325920), (840, 305744), (896, 286635), (960, 267526), (970, 264768), (985, 260736), (1120, 229308), (1164, 220640), (1182, 217280), (1344, 191090), (1358, 189120), (1379, 186240), (1455, 176512), (1552, 165480), (1576, 162960), (1680, 152872), (1920, 133763), (1940, 132384), (1970, 130368), (2037, 126080), (2240, 114654), (2328, 110320), (2364, 108640), (2688, 95545), (2716, 94560), (2758, 93120), (2910, 88256), (2955, 86912), (3104, 82740), (3152, 81480), (3360, 76436), (3395, 75648), (3880, 66192), (3940, 65184), (4074, 63040), (4137, 62080), (4480, 57327), (4656, 55160), (4728, 54320), (5432, 47280), (5516, 46560), (5820, 44128), (5910, 43456), (6208, 41370), (6304, 40740), (6720, 38218), (6790, 37824), (6895, 37248), (7760, 33096), (7880, 32592), (8148, 31520), (8274, 31040), (9312, 27580), (9456, 27160), (10185, 25216), (10864, 23640), (11032, 23280), (11640, 22064), (11820, 21728), (12416, 20685), (12608, 20370), (13440, 19109), (13580, 18912), (13790, 18624), (15520, 16548), (15760, 16296)]