256709376

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1447}}^1$

素因数の和:1487

約数の個数: 216

約数和(自身を含む): 923430144

約数和(自身を除く): 666720768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 112, 126, 128, 132, 144, 154, 168, 176, 192, 198, 224, 231, 252, 256, 264, 288, 308, 336, 352, 384, 396, 448, 462, 504, 528, 576, 616, 672, 693, 704, 768, 792, 896, 924, 1008, 1056, 1152, 1232, 1344, 1386, 1408, 1447, 1584, 1792, 1848, 2016, 2112, 2304, 2464, 2688, 2772, 2816, 2894, 3168, 3696, 4032, 4224, 4341, 4928, 5376, 5544, 5788, 6336, 7392, 8064, 8448, 8682, 9856, 10129, 11088, 11576, 12672, 13023, 14784, 15917, 16128, 17364, 19712, 20258, 22176, 23152, 25344, 26046, 29568, 30387, 31834, 34728, 40516, 44352, 46304, 47751, 52092, 59136, 60774, 63668, 69456, 81032, 88704, 91161, 92608, 95502, 104184, 111419, 121548, 127336, 138912, 143253, 162064, 177408, 182322, 185216, 191004, 208368, 222838, 243096, 254672, 277824, 286506, 324128, 334257, 364644, 370432, 382008, 416736, 445676, 486192, 509344, 555648, 573012, 648256, 668514, 729288, 764016, 833472, 891352, 972384, 1002771, 1018688, 1111296, 1146024, 1296512, 1337028, 1458576, 1528032, 1666944, 1782704, 1944768, 2005542, 2037376, 2292048, 2593024, 2674056, 2917152, 3056064, 3333888, 3565408, 3889536, 4011084, 4074752, 4584096, 5348112, 5834304, 6112128, 7130816, 7779072, 8022168, 9168192, 10696224, 11668608, 12224256, 14261632, 16044336, 18336384, 21392448, 23337216, 28523264, 32088672, 36672768, 42784896, 64177344, 85569792, 128354688, 256709376]

約数ペア:

[(1, 256709376), (2, 128354688), (3, 85569792), (4, 64177344), (6, 42784896), (7, 36672768), (8, 32088672), (9, 28523264), (11, 23337216), (12, 21392448), (14, 18336384), (16, 16044336), (18, 14261632), (21, 12224256), (22, 11668608), (24, 10696224), (28, 9168192), (32, 8022168), (33, 7779072), (36, 7130816), (42, 6112128), (44, 5834304), (48, 5348112), (56, 4584096), (63, 4074752), (64, 4011084), (66, 3889536), (72, 3565408), (77, 3333888), (84, 3056064), (88, 2917152), (96, 2674056), (99, 2593024), (112, 2292048), (126, 2037376), (128, 2005542), (132, 1944768), (144, 1782704), (154, 1666944), (168, 1528032), (176, 1458576), (192, 1337028), (198, 1296512), (224, 1146024), (231, 1111296), (252, 1018688), (256, 1002771), (264, 972384), (288, 891352), (308, 833472), (336, 764016), (352, 729288), (384, 668514), (396, 648256), (448, 573012), (462, 555648), (504, 509344), (528, 486192), (576, 445676), (616, 416736), (672, 382008), (693, 370432), (704, 364644), (768, 334257), (792, 324128), (896, 286506), (924, 277824), (1008, 254672), (1056, 243096), (1152, 222838), (1232, 208368), (1344, 191004), (1386, 185216), (1408, 182322), (1447, 177408), (1584, 162064), (1792, 143253), (1848, 138912), (2016, 127336), (2112, 121548), (2304, 111419), (2464, 104184), (2688, 95502), (2772, 92608), (2816, 91161), (2894, 88704), (3168, 81032), (3696, 69456), (4032, 63668), (4224, 60774), (4341, 59136), (4928, 52092), (5376, 47751), (5544, 46304), (5788, 44352), (6336, 40516), (7392, 34728), (8064, 31834), (8448, 30387), (8682, 29568), (9856, 26046), (10129, 25344), (11088, 23152), (11576, 22176), (12672, 20258), (13023, 19712), (14784, 17364), (15917, 16128)]