256785408

素因数分解:

$2^{10}\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 264

約数和(自身を含む): 862196400

約数和(自身を除く): 605410992

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 32, 33, 34, 36, 44, 48, 51, 64, 66, 68, 72, 88, 96, 99, 102, 128, 132, 136, 144, 149, 153, 176, 187, 192, 198, 204, 256, 264, 272, 288, 298, 306, 352, 374, 384, 396, 408, 447, 512, 528, 544, 561, 576, 596, 612, 704, 748, 768, 792, 816, 894, 1024, 1056, 1088, 1122, 1152, 1192, 1224, 1341, 1408, 1496, 1536, 1584, 1632, 1639, 1683, 1788, 2112, 2176, 2244, 2304, 2384, 2448, 2533, 2682, 2816, 2992, 3072, 3168, 3264, 3278, 3366, 3576, 4224, 4352, 4488, 4608, 4768, 4896, 4917, 5066, 5364, 5632, 5984, 6336, 6528, 6556, 6732, 7152, 7599, 8448, 8704, 8976, 9216, 9536, 9792, 9834, 10132, 10728, 11264, 11968, 12672, 13056, 13112, 13464, 14304, 14751, 15198, 16896, 17408, 17952, 19072, 19584, 19668, 20264, 21456, 22797, 23936, 25344, 26112, 26224, 26928, 27863, 28608, 29502, 30396, 33792, 35904, 38144, 39168, 39336, 40528, 42912, 45594, 47872, 50688, 52224, 52448, 53856, 55726, 57216, 59004, 60792, 71808, 76288, 78336, 78672, 81056, 83589, 85824, 91188, 95744, 101376, 104896, 107712, 111452, 114432, 118008, 121584, 143616, 152576, 156672, 157344, 162112, 167178, 171648, 182376, 191488, 209792, 215424, 222904, 228864, 236016, 243168, 250767, 287232, 314688, 324224, 334356, 343296, 364752, 419584, 430848, 445808, 457728, 472032, 486336, 501534, 574464, 629376, 648448, 668712, 686592, 729504, 839168, 861696, 891616, 944064, 972672, 1003068, 1258752, 1296896, 1337424, 1373184, 1459008, 1678336, 1723392, 1783232, 1888128, 1945344, 2006136, 2517504, 2593792, 2674848, 2918016, 3566464, 3776256, 3890688, 4012272, 5035008, 5349696, 5836032, 7132928, 7552512, 7781376, 8024544, 10699392, 11672064, 14265856, 15105024, 16049088, 21398784, 23344128, 28531712, 32098176, 42797568, 64196352, 85595136, 128392704, 256785408]

約数ペア:

[(1, 256785408), (2, 128392704), (3, 85595136), (4, 64196352), (6, 42797568), (8, 32098176), (9, 28531712), (11, 23344128), (12, 21398784), (16, 16049088), (17, 15105024), (18, 14265856), (22, 11672064), (24, 10699392), (32, 8024544), (33, 7781376), (34, 7552512), (36, 7132928), (44, 5836032), (48, 5349696), (51, 5035008), (64, 4012272), (66, 3890688), (68, 3776256), (72, 3566464), (88, 2918016), (96, 2674848), (99, 2593792), (102, 2517504), (128, 2006136), (132, 1945344), (136, 1888128), (144, 1783232), (149, 1723392), (153, 1678336), (176, 1459008), (187, 1373184), (192, 1337424), (198, 1296896), (204, 1258752), (256, 1003068), (264, 972672), (272, 944064), (288, 891616), (298, 861696), (306, 839168), (352, 729504), (374, 686592), (384, 668712), (396, 648448), (408, 629376), (447, 574464), (512, 501534), (528, 486336), (544, 472032), (561, 457728), (576, 445808), (596, 430848), (612, 419584), (704, 364752), (748, 343296), (768, 334356), (792, 324224), (816, 314688), (894, 287232), (1024, 250767), (1056, 243168), (1088, 236016), (1122, 228864), (1152, 222904), (1192, 215424), (1224, 209792), (1341, 191488), (1408, 182376), (1496, 171648), (1536, 167178), (1584, 162112), (1632, 157344), (1639, 156672), (1683, 152576), (1788, 143616), (2112, 121584), (2176, 118008), (2244, 114432), (2304, 111452), (2384, 107712), (2448, 104896), (2533, 101376), (2682, 95744), (2816, 91188), (2992, 85824), (3072, 83589), (3168, 81056), (3264, 78672), (3278, 78336), (3366, 76288), (3576, 71808), (4224, 60792), (4352, 59004), (4488, 57216), (4608, 55726), (4768, 53856), (4896, 52448), (4917, 52224), (5066, 50688), (5364, 47872), (5632, 45594), (5984, 42912), (6336, 40528), (6528, 39336), (6556, 39168), (6732, 38144), (7152, 35904), (7599, 33792), (8448, 30396), (8704, 29502), (8976, 28608), (9216, 27863), (9536, 26928), (9792, 26224), (9834, 26112), (10132, 25344), (10728, 23936), (11264, 22797), (11968, 21456), (12672, 20264), (13056, 19668), (13112, 19584), (13464, 19072), (14304, 17952), (14751, 17408), (15198, 16896)]