261197568

素因数分解:

$2^8\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 288

約数和(自身を含む): 847687680

約数和(自身を除く): 586490112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 31, 32, 36, 46, 48, 53, 54, 62, 64, 69, 72, 92, 93, 96, 106, 108, 124, 128, 138, 144, 159, 184, 186, 192, 207, 212, 216, 248, 256, 276, 279, 288, 318, 368, 372, 384, 414, 424, 432, 477, 496, 552, 558, 576, 621, 636, 713, 736, 744, 768, 828, 837, 848, 864, 954, 992, 1104, 1116, 1152, 1219, 1242, 1272, 1426, 1431, 1472, 1488, 1643, 1656, 1674, 1696, 1728, 1908, 1984, 2139, 2208, 2232, 2304, 2438, 2484, 2544, 2852, 2862, 2944, 2976, 3286, 3312, 3348, 3392, 3456, 3657, 3816, 3968, 4278, 4416, 4464, 4876, 4929, 4968, 5088, 5704, 5724, 5888, 5952, 6417, 6572, 6624, 6696, 6784, 6912, 7314, 7632, 7936, 8556, 8832, 8928, 9752, 9858, 9936, 10176, 10971, 11408, 11448, 11904, 12834, 13144, 13248, 13392, 13568, 14628, 14787, 15264, 17112, 17664, 17856, 19251, 19504, 19716, 19872, 20352, 21942, 22816, 22896, 23808, 25668, 26288, 26496, 26784, 29256, 29574, 30528, 32913, 34224, 35712, 37789, 38502, 39008, 39432, 39744, 40704, 43884, 44361, 45632, 45792, 51336, 52576, 52992, 53568, 58512, 59148, 61056, 65826, 68448, 71424, 75578, 77004, 78016, 78864, 79488, 87768, 88722, 91264, 91584, 102672, 105152, 107136, 113367, 117024, 118296, 122112, 131652, 136896, 151156, 154008, 156032, 157728, 158976, 175536, 177444, 182528, 183168, 205344, 210304, 214272, 226734, 234048, 236592, 263304, 273792, 302312, 308016, 312064, 315456, 340101, 351072, 354888, 366336, 410688, 420608, 453468, 468096, 473184, 526608, 547584, 604624, 616032, 630912, 680202, 702144, 709776, 821376, 906936, 936192, 946368, 1020303, 1053216, 1209248, 1232064, 1261824, 1360404, 1404288, 1419552, 1642752, 1813872, 1892736, 2040606, 2106432, 2418496, 2464128, 2720808, 2808576, 2839104, 3627744, 3785472, 4081212, 4212864, 4836992, 4928256, 5441616, 5678208, 7255488, 8162424, 8425728, 9673984, 10883232, 11356416, 14510976, 16324848, 21766464, 29021952, 32649696, 43532928, 65299392, 87065856, 130598784, 261197568]

約数ペア:

[(1, 261197568), (2, 130598784), (3, 87065856), (4, 65299392), (6, 43532928), (8, 32649696), (9, 29021952), (12, 21766464), (16, 16324848), (18, 14510976), (23, 11356416), (24, 10883232), (27, 9673984), (31, 8425728), (32, 8162424), (36, 7255488), (46, 5678208), (48, 5441616), (53, 4928256), (54, 4836992), (62, 4212864), (64, 4081212), (69, 3785472), (72, 3627744), (92, 2839104), (93, 2808576), (96, 2720808), (106, 2464128), (108, 2418496), (124, 2106432), (128, 2040606), (138, 1892736), (144, 1813872), (159, 1642752), (184, 1419552), (186, 1404288), (192, 1360404), (207, 1261824), (212, 1232064), (216, 1209248), (248, 1053216), (256, 1020303), (276, 946368), (279, 936192), (288, 906936), (318, 821376), (368, 709776), (372, 702144), (384, 680202), (414, 630912), (424, 616032), (432, 604624), (477, 547584), (496, 526608), (552, 473184), (558, 468096), (576, 453468), (621, 420608), (636, 410688), (713, 366336), (736, 354888), (744, 351072), (768, 340101), (828, 315456), (837, 312064), (848, 308016), (864, 302312), (954, 273792), (992, 263304), (1104, 236592), (1116, 234048), (1152, 226734), (1219, 214272), (1242, 210304), (1272, 205344), (1426, 183168), (1431, 182528), (1472, 177444), (1488, 175536), (1643, 158976), (1656, 157728), (1674, 156032), (1696, 154008), (1728, 151156), (1908, 136896), (1984, 131652), (2139, 122112), (2208, 118296), (2232, 117024), (2304, 113367), (2438, 107136), (2484, 105152), (2544, 102672), (2852, 91584), (2862, 91264), (2944, 88722), (2976, 87768), (3286, 79488), (3312, 78864), (3348, 78016), (3392, 77004), (3456, 75578), (3657, 71424), (3816, 68448), (3968, 65826), (4278, 61056), (4416, 59148), (4464, 58512), (4876, 53568), (4929, 52992), (4968, 52576), (5088, 51336), (5704, 45792), (5724, 45632), (5888, 44361), (5952, 43884), (6417, 40704), (6572, 39744), (6624, 39432), (6696, 39008), (6784, 38502), (6912, 37789), (7314, 35712), (7632, 34224), (7936, 32913), (8556, 30528), (8832, 29574), (8928, 29256), (9752, 26784), (9858, 26496), (9936, 26288), (10176, 25668), (10971, 23808), (11408, 22896), (11448, 22816), (11904, 21942), (12834, 20352), (13144, 19872), (13248, 19716), (13392, 19504), (13568, 19251), (14628, 17856), (14787, 17664), (15264, 17112)]