256206384

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 240

約数和(自身を含む): 878372352

約数和(自身を除く): 622165968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 43, 46, 48, 56, 63, 69, 72, 84, 86, 92, 112, 126, 129, 138, 144, 161, 168, 172, 184, 207, 252, 257, 258, 276, 301, 322, 336, 344, 368, 387, 414, 483, 504, 514, 516, 552, 602, 644, 688, 771, 774, 828, 903, 966, 989, 1008, 1028, 1032, 1104, 1204, 1288, 1449, 1542, 1548, 1656, 1799, 1806, 1932, 1978, 2056, 2064, 2313, 2408, 2576, 2709, 2898, 2967, 3084, 3096, 3312, 3598, 3612, 3864, 3956, 4112, 4626, 4816, 5397, 5418, 5796, 5911, 5934, 6168, 6192, 6923, 7196, 7224, 7728, 7912, 8901, 9252, 10794, 10836, 11051, 11592, 11822, 11868, 12336, 13846, 14392, 14448, 15824, 16191, 17733, 17802, 18504, 20769, 21588, 21672, 22102, 23184, 23644, 23736, 27692, 28784, 32382, 33153, 35466, 35604, 37008, 41377, 41538, 43176, 43344, 44204, 47288, 47472, 53199, 55384, 62307, 64764, 66306, 70932, 71208, 77357, 82754, 83076, 86352, 88408, 94576, 99459, 106398, 110768, 124131, 124614, 129528, 132612, 141864, 142416, 154714, 165508, 166152, 176816, 198918, 212796, 232071, 248262, 249228, 254173, 259056, 265224, 283728, 309428, 331016, 332304, 372393, 397836, 425592, 464142, 496524, 498456, 508346, 530448, 618856, 662032, 696213, 744786, 762519, 795672, 851184, 928284, 993048, 996912, 1016692, 1237712, 1392426, 1489572, 1525038, 1591344, 1779211, 1856568, 1986096, 2033384, 2287557, 2784852, 2979144, 3050076, 3558422, 3713136, 4066768, 4575114, 5337633, 5569704, 5958288, 6100152, 7116844, 9150228, 10675266, 11139408, 12200304, 14233688, 16012899, 18300456, 21350532, 28467376, 32025798, 36600912, 42701064, 64051596, 85402128, 128103192, 256206384]

約数ペア:

[(1, 256206384), (2, 128103192), (3, 85402128), (4, 64051596), (6, 42701064), (7, 36600912), (8, 32025798), (9, 28467376), (12, 21350532), (14, 18300456), (16, 16012899), (18, 14233688), (21, 12200304), (23, 11139408), (24, 10675266), (28, 9150228), (36, 7116844), (42, 6100152), (43, 5958288), (46, 5569704), (48, 5337633), (56, 4575114), (63, 4066768), (69, 3713136), (72, 3558422), (84, 3050076), (86, 2979144), (92, 2784852), (112, 2287557), (126, 2033384), (129, 1986096), (138, 1856568), (144, 1779211), (161, 1591344), (168, 1525038), (172, 1489572), (184, 1392426), (207, 1237712), (252, 1016692), (257, 996912), (258, 993048), (276, 928284), (301, 851184), (322, 795672), (336, 762519), (344, 744786), (368, 696213), (387, 662032), (414, 618856), (483, 530448), (504, 508346), (514, 498456), (516, 496524), (552, 464142), (602, 425592), (644, 397836), (688, 372393), (771, 332304), (774, 331016), (828, 309428), (903, 283728), (966, 265224), (989, 259056), (1008, 254173), (1028, 249228), (1032, 248262), (1104, 232071), (1204, 212796), (1288, 198918), (1449, 176816), (1542, 166152), (1548, 165508), (1656, 154714), (1799, 142416), (1806, 141864), (1932, 132612), (1978, 129528), (2056, 124614), (2064, 124131), (2313, 110768), (2408, 106398), (2576, 99459), (2709, 94576), (2898, 88408), (2967, 86352), (3084, 83076), (3096, 82754), (3312, 77357), (3598, 71208), (3612, 70932), (3864, 66306), (3956, 64764), (4112, 62307), (4626, 55384), (4816, 53199), (5397, 47472), (5418, 47288), (5796, 44204), (5911, 43344), (5934, 43176), (6168, 41538), (6192, 41377), (6923, 37008), (7196, 35604), (7224, 35466), (7728, 33153), (7912, 32382), (8901, 28784), (9252, 27692), (10794, 23736), (10836, 23644), (11051, 23184), (11592, 22102), (11822, 21672), (11868, 21588), (12336, 20769), (13846, 18504), (14392, 17802), (14448, 17733), (15824, 16191)]