256055904

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 288

約数和(自身を含む): 866829600

約数和(自身を除く): 610773696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 81, 96, 102, 104, 108, 117, 136, 144, 149, 153, 156, 162, 204, 208, 216, 221, 234, 243, 272, 288, 298, 306, 312, 324, 351, 408, 416, 432, 442, 447, 459, 468, 486, 544, 596, 612, 624, 648, 663, 702, 816, 864, 884, 894, 918, 936, 972, 1053, 1192, 1224, 1248, 1296, 1326, 1341, 1377, 1404, 1632, 1768, 1788, 1836, 1872, 1937, 1944, 1989, 2106, 2384, 2448, 2533, 2592, 2652, 2682, 2754, 2808, 3159, 3536, 3576, 3672, 3744, 3874, 3888, 3978, 4023, 4131, 4212, 4768, 4896, 5066, 5304, 5364, 5508, 5616, 5811, 5967, 6318, 7072, 7152, 7344, 7599, 7748, 7776, 7956, 8046, 8262, 8424, 10132, 10608, 10728, 11016, 11232, 11622, 11934, 12069, 12636, 14304, 14688, 15198, 15496, 15912, 16092, 16524, 16848, 17433, 17901, 20264, 21216, 21456, 22032, 22797, 23244, 23868, 24138, 25272, 30396, 30992, 31824, 32184, 32929, 33048, 33696, 34866, 35802, 36207, 40528, 42912, 44064, 45594, 46488, 47736, 48276, 50544, 52299, 53703, 60792, 61984, 63648, 64368, 65858, 66096, 68391, 69732, 71604, 72414, 81056, 91188, 92976, 95472, 96552, 98787, 101088, 104598, 107406, 121584, 128736, 131716, 132192, 136782, 139464, 143208, 144828, 156897, 182376, 185952, 190944, 193104, 197574, 205173, 209196, 214812, 243168, 263432, 273564, 278928, 286416, 289656, 296361, 313794, 364752, 386208, 395148, 410346, 418392, 429624, 470691, 526864, 547128, 557856, 572832, 579312, 592722, 615519, 627588, 729504, 790296, 820692, 836784, 859248, 889083, 941382, 1053728, 1094256, 1158624, 1185444, 1231038, 1255176, 1580592, 1641384, 1673568, 1718496, 1778166, 1882764, 2188512, 2370888, 2462076, 2510352, 2667249, 3161184, 3282768, 3556332, 3765528, 4741776, 4924152, 5020704, 5334498, 6565536, 7112664, 7531056, 8001747, 9483552, 9848304, 10668996, 14225328, 15062112, 16003494, 19696608, 21337992, 28450656, 32006988, 42675984, 64013976, 85351968, 128027952, 256055904]

約数ペア:

[(1, 256055904), (2, 128027952), (3, 85351968), (4, 64013976), (6, 42675984), (8, 32006988), (9, 28450656), (12, 21337992), (13, 19696608), (16, 16003494), (17, 15062112), (18, 14225328), (24, 10668996), (26, 9848304), (27, 9483552), (32, 8001747), (34, 7531056), (36, 7112664), (39, 6565536), (48, 5334498), (51, 5020704), (52, 4924152), (54, 4741776), (68, 3765528), (72, 3556332), (78, 3282768), (81, 3161184), (96, 2667249), (102, 2510352), (104, 2462076), (108, 2370888), (117, 2188512), (136, 1882764), (144, 1778166), (149, 1718496), (153, 1673568), (156, 1641384), (162, 1580592), (204, 1255176), (208, 1231038), (216, 1185444), (221, 1158624), (234, 1094256), (243, 1053728), (272, 941382), (288, 889083), (298, 859248), (306, 836784), (312, 820692), (324, 790296), (351, 729504), (408, 627588), (416, 615519), (432, 592722), (442, 579312), (447, 572832), (459, 557856), (468, 547128), (486, 526864), (544, 470691), (596, 429624), (612, 418392), (624, 410346), (648, 395148), (663, 386208), (702, 364752), (816, 313794), (864, 296361), (884, 289656), (894, 286416), (918, 278928), (936, 273564), (972, 263432), (1053, 243168), (1192, 214812), (1224, 209196), (1248, 205173), (1296, 197574), (1326, 193104), (1341, 190944), (1377, 185952), (1404, 182376), (1632, 156897), (1768, 144828), (1788, 143208), (1836, 139464), (1872, 136782), (1937, 132192), (1944, 131716), (1989, 128736), (2106, 121584), (2384, 107406), (2448, 104598), (2533, 101088), (2592, 98787), (2652, 96552), (2682, 95472), (2754, 92976), (2808, 91188), (3159, 81056), (3536, 72414), (3576, 71604), (3672, 69732), (3744, 68391), (3874, 66096), (3888, 65858), (3978, 64368), (4023, 63648), (4131, 61984), (4212, 60792), (4768, 53703), (4896, 52299), (5066, 50544), (5304, 48276), (5364, 47736), (5508, 46488), (5616, 45594), (5811, 44064), (5967, 42912), (6318, 40528), (7072, 36207), (7152, 35802), (7344, 34866), (7599, 33696), (7748, 33048), (7776, 32929), (7956, 32184), (8046, 31824), (8262, 30992), (8424, 30396), (10132, 25272), (10608, 24138), (10728, 23868), (11016, 23244), (11232, 22797), (11622, 22032), (11934, 21456), (12069, 21216), (12636, 20264), (14304, 17901), (14688, 17433), (15198, 16848), (15496, 16524), (15912, 16092)]