255721536

素因数分解:

$2^6\times 3^9\times 7^1\times {\mathrm{29}}^1$

素因数の和:75

約数の個数: 280

約数和(自身を含む): 899891520

約数和(自身を除く): 644169984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 42, 48, 54, 56, 58, 63, 64, 72, 81, 84, 87, 96, 108, 112, 116, 126, 144, 162, 168, 174, 189, 192, 203, 216, 224, 232, 243, 252, 261, 288, 324, 336, 348, 378, 406, 432, 448, 464, 486, 504, 522, 567, 576, 609, 648, 672, 696, 729, 756, 783, 812, 864, 928, 972, 1008, 1044, 1134, 1218, 1296, 1344, 1392, 1458, 1512, 1566, 1624, 1701, 1728, 1827, 1856, 1944, 2016, 2088, 2187, 2268, 2349, 2436, 2592, 2784, 2916, 3024, 3132, 3248, 3402, 3654, 3888, 4032, 4176, 4374, 4536, 4698, 4872, 5103, 5184, 5481, 5568, 5832, 6048, 6264, 6496, 6561, 6804, 7047, 7308, 7776, 8352, 8748, 9072, 9396, 9744, 10206, 10962, 11664, 12096, 12528, 12992, 13122, 13608, 14094, 14616, 15309, 15552, 16443, 16704, 17496, 18144, 18792, 19488, 19683, 20412, 21141, 21924, 23328, 25056, 26244, 27216, 28188, 29232, 30618, 32886, 34992, 36288, 37584, 38976, 39366, 40824, 42282, 43848, 45927, 46656, 49329, 50112, 52488, 54432, 56376, 58464, 61236, 63423, 65772, 69984, 75168, 78732, 81648, 84564, 87696, 91854, 98658, 104976, 108864, 112752, 116928, 122472, 126846, 131544, 137781, 139968, 147987, 150336, 157464, 163296, 169128, 175392, 183708, 190269, 197316, 209952, 225504, 244944, 253692, 263088, 275562, 295974, 314928, 326592, 338256, 350784, 367416, 380538, 394632, 419904, 443961, 451008, 489888, 507384, 526176, 551124, 570807, 591948, 629856, 676512, 734832, 761076, 789264, 887922, 979776, 1014768, 1052352, 1102248, 1141614, 1183896, 1259712, 1331883, 1353024, 1469664, 1522152, 1578528, 1775844, 2029536, 2204496, 2283228, 2367792, 2663766, 2939328, 3044304, 3157056, 3551688, 3995649, 4059072, 4408992, 4566456, 4735584, 5327532, 6088608, 7103376, 7991298, 8817984, 9132912, 9471168, 10655064, 12177216, 14206752, 15982596, 18265824, 21310128, 28413504, 31965192, 36531648, 42620256, 63930384, 85240512, 127860768, 255721536]

約数ペア:

[(1, 255721536), (2, 127860768), (3, 85240512), (4, 63930384), (6, 42620256), (7, 36531648), (8, 31965192), (9, 28413504), (12, 21310128), (14, 18265824), (16, 15982596), (18, 14206752), (21, 12177216), (24, 10655064), (27, 9471168), (28, 9132912), (29, 8817984), (32, 7991298), (36, 7103376), (42, 6088608), (48, 5327532), (54, 4735584), (56, 4566456), (58, 4408992), (63, 4059072), (64, 3995649), (72, 3551688), (81, 3157056), (84, 3044304), (87, 2939328), (96, 2663766), (108, 2367792), (112, 2283228), (116, 2204496), (126, 2029536), (144, 1775844), (162, 1578528), (168, 1522152), (174, 1469664), (189, 1353024), (192, 1331883), (203, 1259712), (216, 1183896), (224, 1141614), (232, 1102248), (243, 1052352), (252, 1014768), (261, 979776), (288, 887922), (324, 789264), (336, 761076), (348, 734832), (378, 676512), (406, 629856), (432, 591948), (448, 570807), (464, 551124), (486, 526176), (504, 507384), (522, 489888), (567, 451008), (576, 443961), (609, 419904), (648, 394632), (672, 380538), (696, 367416), (729, 350784), (756, 338256), (783, 326592), (812, 314928), (864, 295974), (928, 275562), (972, 263088), (1008, 253692), (1044, 244944), (1134, 225504), (1218, 209952), (1296, 197316), (1344, 190269), (1392, 183708), (1458, 175392), (1512, 169128), (1566, 163296), (1624, 157464), (1701, 150336), (1728, 147987), (1827, 139968), (1856, 137781), (1944, 131544), (2016, 126846), (2088, 122472), (2187, 116928), (2268, 112752), (2349, 108864), (2436, 104976), (2592, 98658), (2784, 91854), (2916, 87696), (3024, 84564), (3132, 81648), (3248, 78732), (3402, 75168), (3654, 69984), (3888, 65772), (4032, 63423), (4176, 61236), (4374, 58464), (4536, 56376), (4698, 54432), (4872, 52488), (5103, 50112), (5184, 49329), (5481, 46656), (5568, 45927), (5832, 43848), (6048, 42282), (6264, 40824), (6496, 39366), (6561, 38976), (6804, 37584), (7047, 36288), (7308, 34992), (7776, 32886), (8352, 30618), (8748, 29232), (9072, 28188), (9396, 27216), (9744, 26244), (10206, 25056), (10962, 23328), (11664, 21924), (12096, 21141), (12528, 20412), (12992, 19683), (13122, 19488), (13608, 18792), (14094, 18144), (14616, 17496), (15309, 16704), (15552, 16443)]