256739616

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 288

約数和(自身を含む): 896313600

約数和(自身を除く): 639573984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 49, 56, 63, 69, 72, 84, 92, 96, 98, 112, 113, 126, 138, 144, 147, 161, 168, 184, 196, 207, 224, 226, 252, 276, 288, 294, 322, 336, 339, 343, 368, 392, 414, 441, 452, 483, 504, 552, 588, 644, 672, 678, 686, 736, 784, 791, 828, 882, 904, 966, 1008, 1017, 1029, 1104, 1127, 1176, 1288, 1356, 1372, 1449, 1568, 1582, 1656, 1764, 1808, 1932, 2016, 2034, 2058, 2208, 2254, 2352, 2373, 2576, 2599, 2712, 2744, 2898, 3087, 3164, 3312, 3381, 3528, 3616, 3864, 4068, 4116, 4508, 4704, 4746, 5152, 5198, 5424, 5488, 5537, 5796, 6174, 6328, 6624, 6762, 7056, 7119, 7728, 7797, 7889, 8136, 8232, 9016, 9492, 10143, 10396, 10848, 10976, 11074, 11592, 12348, 12656, 13524, 14112, 14238, 15456, 15594, 15778, 16272, 16464, 16611, 18032, 18193, 18984, 20286, 20792, 22148, 23184, 23391, 23667, 24696, 25312, 27048, 28476, 31188, 31556, 32544, 32928, 33222, 36064, 36386, 37968, 38759, 40572, 41584, 44296, 46368, 46782, 47334, 49392, 49833, 54096, 54579, 56952, 62376, 63112, 66444, 71001, 72772, 75936, 77518, 81144, 83168, 88592, 93564, 94668, 98784, 99666, 108192, 109158, 113904, 116277, 124752, 126224, 127351, 132888, 142002, 145544, 155036, 162288, 163737, 177184, 187128, 189336, 199332, 218316, 227808, 232554, 249504, 252448, 254702, 265776, 284004, 291088, 310072, 324576, 327474, 348831, 374256, 378672, 382053, 398664, 436632, 465108, 509404, 531552, 568008, 582176, 620144, 654948, 697662, 748512, 757344, 764106, 797328, 873264, 891457, 930216, 1018808, 1136016, 1146159, 1240288, 1309896, 1395324, 1528212, 1594656, 1746528, 1782914, 1860432, 2037616, 2272032, 2292318, 2619792, 2674371, 2790648, 3056424, 3565828, 3720864, 4075232, 4584636, 5239584, 5348742, 5581296, 6112848, 7131656, 8023113, 9169272, 10697484, 11162592, 12225696, 14263312, 16046226, 18338544, 21394968, 28526624, 32092452, 36677088, 42789936, 64184904, 85579872, 128369808, 256739616]

約数ペア:

[(1, 256739616), (2, 128369808), (3, 85579872), (4, 64184904), (6, 42789936), (7, 36677088), (8, 32092452), (9, 28526624), (12, 21394968), (14, 18338544), (16, 16046226), (18, 14263312), (21, 12225696), (23, 11162592), (24, 10697484), (28, 9169272), (32, 8023113), (36, 7131656), (42, 6112848), (46, 5581296), (48, 5348742), (49, 5239584), (56, 4584636), (63, 4075232), (69, 3720864), (72, 3565828), (84, 3056424), (92, 2790648), (96, 2674371), (98, 2619792), (112, 2292318), (113, 2272032), (126, 2037616), (138, 1860432), (144, 1782914), (147, 1746528), (161, 1594656), (168, 1528212), (184, 1395324), (196, 1309896), (207, 1240288), (224, 1146159), (226, 1136016), (252, 1018808), (276, 930216), (288, 891457), (294, 873264), (322, 797328), (336, 764106), (339, 757344), (343, 748512), (368, 697662), (392, 654948), (414, 620144), (441, 582176), (452, 568008), (483, 531552), (504, 509404), (552, 465108), (588, 436632), (644, 398664), (672, 382053), (678, 378672), (686, 374256), (736, 348831), (784, 327474), (791, 324576), (828, 310072), (882, 291088), (904, 284004), (966, 265776), (1008, 254702), (1017, 252448), (1029, 249504), (1104, 232554), (1127, 227808), (1176, 218316), (1288, 199332), (1356, 189336), (1372, 187128), (1449, 177184), (1568, 163737), (1582, 162288), (1656, 155036), (1764, 145544), (1808, 142002), (1932, 132888), (2016, 127351), (2034, 126224), (2058, 124752), (2208, 116277), (2254, 113904), (2352, 109158), (2373, 108192), (2576, 99666), (2599, 98784), (2712, 94668), (2744, 93564), (2898, 88592), (3087, 83168), (3164, 81144), (3312, 77518), (3381, 75936), (3528, 72772), (3616, 71001), (3864, 66444), (4068, 63112), (4116, 62376), (4508, 56952), (4704, 54579), (4746, 54096), (5152, 49833), (5198, 49392), (5424, 47334), (5488, 46782), (5537, 46368), (5796, 44296), (6174, 41584), (6328, 40572), (6624, 38759), (6762, 37968), (7056, 36386), (7119, 36064), (7728, 33222), (7797, 32928), (7889, 32544), (8136, 31556), (8232, 31188), (9016, 28476), (9492, 27048), (10143, 25312), (10396, 24696), (10848, 23667), (10976, 23391), (11074, 23184), (11592, 22148), (12348, 20792), (12656, 20286), (13524, 18984), (14112, 18193), (14238, 18032), (15456, 16611), (15594, 16464), (15778, 16272)]