256885776

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 320

約数和(自身を含む): 942796800

約数和(自身を除く): 685911024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 19, 21, 24, 27, 28, 34, 36, 38, 42, 48, 51, 54, 56, 57, 63, 68, 72, 76, 84, 102, 108, 112, 114, 119, 126, 133, 136, 144, 152, 153, 168, 171, 189, 204, 216, 228, 238, 252, 263, 266, 272, 304, 306, 323, 336, 342, 357, 378, 399, 408, 432, 456, 459, 476, 504, 513, 526, 532, 612, 646, 684, 714, 756, 789, 798, 816, 912, 918, 952, 969, 1008, 1026, 1052, 1064, 1071, 1197, 1224, 1292, 1368, 1428, 1512, 1578, 1596, 1836, 1841, 1904, 1938, 2052, 2104, 2128, 2142, 2261, 2367, 2394, 2448, 2584, 2736, 2856, 2907, 3024, 3156, 3192, 3213, 3591, 3672, 3682, 3876, 4104, 4208, 4284, 4471, 4522, 4734, 4788, 4997, 5168, 5523, 5712, 5814, 6312, 6384, 6426, 6783, 7101, 7182, 7344, 7364, 7752, 8208, 8568, 8721, 8942, 9044, 9468, 9576, 9994, 11046, 11628, 12624, 12852, 13413, 13566, 14202, 14364, 14728, 14991, 15504, 16569, 17136, 17442, 17884, 18088, 18936, 19152, 19988, 20349, 22092, 23256, 25704, 26826, 27132, 28404, 28728, 29456, 29982, 31297, 33138, 34884, 34979, 35768, 36176, 37872, 39976, 40239, 40698, 44184, 44973, 46512, 49707, 51408, 53652, 54264, 56808, 57456, 59964, 61047, 62594, 66276, 69768, 69958, 71536, 79952, 80478, 81396, 84949, 88368, 89946, 93891, 99414, 104937, 107304, 108528, 113616, 119928, 120717, 122094, 125188, 132552, 134919, 139536, 139916, 160956, 162792, 169898, 179892, 187782, 198828, 209874, 214608, 239856, 241434, 244188, 250376, 254847, 265104, 269838, 279832, 281673, 314811, 321912, 325584, 339796, 359784, 375564, 397656, 419748, 482868, 488376, 500752, 509694, 539676, 559664, 563346, 594643, 629622, 643824, 679592, 719568, 751128, 764541, 795312, 839496, 845019, 944433, 965736, 976752, 1019388, 1079352, 1126692, 1189286, 1259244, 1359184, 1502256, 1529082, 1678992, 1690038, 1783929, 1888866, 1931472, 2038776, 2158704, 2253384, 2293623, 2378572, 2518488, 3058164, 3380076, 3567858, 3777732, 4077552, 4506768, 4587246, 4757144, 5036976, 5351787, 6116328, 6760152, 7135716, 7555464, 9174492, 9514288, 10703574, 12232656, 13520304, 14271432, 15110928, 16055361, 18348984, 21407148, 28542864, 32110722, 36697968, 42814296, 64221444, 85628592, 128442888, 256885776]

約数ペア:

[(1, 256885776), (2, 128442888), (3, 85628592), (4, 64221444), (6, 42814296), (7, 36697968), (8, 32110722), (9, 28542864), (12, 21407148), (14, 18348984), (16, 16055361), (17, 15110928), (18, 14271432), (19, 13520304), (21, 12232656), (24, 10703574), (27, 9514288), (28, 9174492), (34, 7555464), (36, 7135716), (38, 6760152), (42, 6116328), (48, 5351787), (51, 5036976), (54, 4757144), (56, 4587246), (57, 4506768), (63, 4077552), (68, 3777732), (72, 3567858), (76, 3380076), (84, 3058164), (102, 2518488), (108, 2378572), (112, 2293623), (114, 2253384), (119, 2158704), (126, 2038776), (133, 1931472), (136, 1888866), (144, 1783929), (152, 1690038), (153, 1678992), (168, 1529082), (171, 1502256), (189, 1359184), (204, 1259244), (216, 1189286), (228, 1126692), (238, 1079352), (252, 1019388), (263, 976752), (266, 965736), (272, 944433), (304, 845019), (306, 839496), (323, 795312), (336, 764541), (342, 751128), (357, 719568), (378, 679592), (399, 643824), (408, 629622), (432, 594643), (456, 563346), (459, 559664), (476, 539676), (504, 509694), (513, 500752), (526, 488376), (532, 482868), (612, 419748), (646, 397656), (684, 375564), (714, 359784), (756, 339796), (789, 325584), (798, 321912), (816, 314811), (912, 281673), (918, 279832), (952, 269838), (969, 265104), (1008, 254847), (1026, 250376), (1052, 244188), (1064, 241434), (1071, 239856), (1197, 214608), (1224, 209874), (1292, 198828), (1368, 187782), (1428, 179892), (1512, 169898), (1578, 162792), (1596, 160956), (1836, 139916), (1841, 139536), (1904, 134919), (1938, 132552), (2052, 125188), (2104, 122094), (2128, 120717), (2142, 119928), (2261, 113616), (2367, 108528), (2394, 107304), (2448, 104937), (2584, 99414), (2736, 93891), (2856, 89946), (2907, 88368), (3024, 84949), (3156, 81396), (3192, 80478), (3213, 79952), (3591, 71536), (3672, 69958), (3682, 69768), (3876, 66276), (4104, 62594), (4208, 61047), (4284, 59964), (4471, 57456), (4522, 56808), (4734, 54264), (4788, 53652), (4997, 51408), (5168, 49707), (5523, 46512), (5712, 44973), (5814, 44184), (6312, 40698), (6384, 40239), (6426, 39976), (6783, 37872), (7101, 36176), (7182, 35768), (7344, 34979), (7364, 34884), (7752, 33138), (8208, 31297), (8568, 29982), (8721, 29456), (8942, 28728), (9044, 28404), (9468, 27132), (9576, 26826), (9994, 25704), (11046, 23256), (11628, 22092), (12624, 20349), (12852, 19988), (13413, 19152), (13566, 18936), (14202, 18088), (14364, 17884), (14728, 17442), (14991, 17136), (15504, 16569)]