257000688

素因数分解:

$2^4\times 3^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 360

約数和(自身を含む): 926190720

約数和(自身を除く): 669190032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 49, 54, 56, 57, 63, 71, 72, 76, 81, 84, 98, 108, 112, 114, 126, 133, 142, 144, 147, 152, 162, 168, 171, 189, 196, 213, 216, 228, 243, 252, 266, 284, 294, 304, 324, 336, 342, 378, 392, 399, 426, 432, 441, 456, 486, 497, 504, 513, 532, 567, 568, 588, 639, 648, 684, 756, 784, 798, 852, 882, 912, 931, 972, 994, 1008, 1026, 1064, 1134, 1136, 1176, 1197, 1278, 1296, 1323, 1349, 1368, 1491, 1512, 1539, 1596, 1701, 1704, 1764, 1862, 1917, 1944, 1988, 2052, 2128, 2268, 2352, 2394, 2556, 2646, 2698, 2736, 2793, 2982, 3024, 3078, 3192, 3402, 3408, 3479, 3528, 3591, 3724, 3834, 3888, 3969, 3976, 4047, 4104, 4473, 4536, 4617, 4788, 5112, 5292, 5396, 5586, 5751, 5964, 6156, 6384, 6804, 6958, 7056, 7182, 7448, 7668, 7938, 7952, 8094, 8208, 8379, 8946, 9072, 9234, 9443, 9576, 10224, 10437, 10584, 10773, 10792, 11172, 11502, 11907, 11928, 12141, 12312, 13419, 13608, 13916, 14364, 14896, 15336, 15876, 16188, 16758, 17253, 17892, 18468, 18886, 19152, 20874, 21168, 21546, 21584, 22344, 23004, 23814, 23856, 24282, 24624, 25137, 26838, 27216, 27832, 28329, 28728, 30672, 31311, 31752, 32319, 32376, 33516, 34506, 35784, 36423, 36936, 37772, 40257, 41748, 43092, 44688, 46008, 47628, 48564, 50274, 53676, 55664, 56658, 57456, 62622, 63504, 64638, 64752, 66101, 67032, 69012, 71568, 72846, 73872, 75411, 75544, 80514, 83496, 84987, 86184, 92016, 93933, 95256, 97128, 100548, 107352, 109269, 113316, 120771, 125244, 129276, 132202, 134064, 138024, 145692, 150822, 151088, 161028, 166992, 169974, 172368, 187866, 190512, 194256, 198303, 201096, 214704, 218538, 226233, 226632, 241542, 250488, 254961, 258552, 264404, 276048, 281799, 291384, 301644, 322056, 327807, 339948, 375732, 396606, 402192, 437076, 452466, 453264, 483084, 500976, 509922, 517104, 528808, 563598, 582768, 594909, 603288, 644112, 655614, 679896, 751464, 764883, 793212, 845397, 874152, 904932, 966168, 1019844, 1057616, 1127196, 1189818, 1206576, 1311228, 1359792, 1502928, 1529766, 1586424, 1690794, 1748304, 1784727, 1809864, 1932336, 2039688, 2254392, 2294649, 2379636, 2622456, 3059532, 3172848, 3381588, 3569454, 3619728, 4079376, 4508784, 4589298, 4759272, 5244912, 5354181, 6119064, 6763176, 7138908, 9178596, 9518544, 10708362, 12238128, 13526352, 14277816, 16062543, 18357192, 21416724, 28555632, 32125086, 36714384, 42833448, 64250172, 85666896, 128500344, 257000688]

約数ペア:

[(1, 257000688), (2, 128500344), (3, 85666896), (4, 64250172), (6, 42833448), (7, 36714384), (8, 32125086), (9, 28555632), (12, 21416724), (14, 18357192), (16, 16062543), (18, 14277816), (19, 13526352), (21, 12238128), (24, 10708362), (27, 9518544), (28, 9178596), (36, 7138908), (38, 6763176), (42, 6119064), (48, 5354181), (49, 5244912), (54, 4759272), (56, 4589298), (57, 4508784), (63, 4079376), (71, 3619728), (72, 3569454), (76, 3381588), (81, 3172848), (84, 3059532), (98, 2622456), (108, 2379636), (112, 2294649), (114, 2254392), (126, 2039688), (133, 1932336), (142, 1809864), (144, 1784727), (147, 1748304), (152, 1690794), (162, 1586424), (168, 1529766), (171, 1502928), (189, 1359792), (196, 1311228), (213, 1206576), (216, 1189818), (228, 1127196), (243, 1057616), (252, 1019844), (266, 966168), (284, 904932), (294, 874152), (304, 845397), (324, 793212), (336, 764883), (342, 751464), (378, 679896), (392, 655614), (399, 644112), (426, 603288), (432, 594909), (441, 582768), (456, 563598), (486, 528808), (497, 517104), (504, 509922), (513, 500976), (532, 483084), (567, 453264), (568, 452466), (588, 437076), (639, 402192), (648, 396606), (684, 375732), (756, 339948), (784, 327807), (798, 322056), (852, 301644), (882, 291384), (912, 281799), (931, 276048), (972, 264404), (994, 258552), (1008, 254961), (1026, 250488), (1064, 241542), (1134, 226632), (1136, 226233), (1176, 218538), (1197, 214704), (1278, 201096), (1296, 198303), (1323, 194256), (1349, 190512), (1368, 187866), (1491, 172368), (1512, 169974), (1539, 166992), (1596, 161028), (1701, 151088), (1704, 150822), (1764, 145692), (1862, 138024), (1917, 134064), (1944, 132202), (1988, 129276), (2052, 125244), (2128, 120771), (2268, 113316), (2352, 109269), (2394, 107352), (2556, 100548), (2646, 97128), (2698, 95256), (2736, 93933), (2793, 92016), (2982, 86184), (3024, 84987), (3078, 83496), (3192, 80514), (3402, 75544), (3408, 75411), (3479, 73872), (3528, 72846), (3591, 71568), (3724, 69012), (3834, 67032), (3888, 66101), (3969, 64752), (3976, 64638), (4047, 63504), (4104, 62622), (4473, 57456), (4536, 56658), (4617, 55664), (4788, 53676), (5112, 50274), (5292, 48564), (5396, 47628), (5586, 46008), (5751, 44688), (5964, 43092), (6156, 41748), (6384, 40257), (6804, 37772), (6958, 36936), (7056, 36423), (7182, 35784), (7448, 34506), (7668, 33516), (7938, 32376), (7952, 32319), (8094, 31752), (8208, 31311), (8379, 30672), (8946, 28728), (9072, 28329), (9234, 27832), (9443, 27216), (9576, 26838), (10224, 25137), (10437, 24624), (10584, 24282), (10773, 23856), (10792, 23814), (11172, 23004), (11502, 22344), (11907, 21584), (11928, 21546), (12141, 21168), (12312, 20874), (13419, 19152), (13608, 18886), (13916, 18468), (14364, 17892), (14896, 17253), (15336, 16758), (15876, 16188)]