256927008

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 192

約数和(自身を含む): 778982400

約数和(自身を除く): 522055392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 31, 32, 39, 48, 52, 58, 62, 78, 87, 93, 96, 104, 116, 124, 156, 174, 186, 208, 229, 232, 248, 312, 348, 372, 377, 403, 416, 458, 464, 496, 624, 687, 696, 744, 754, 806, 899, 916, 928, 992, 1131, 1209, 1248, 1374, 1392, 1488, 1508, 1612, 1798, 1832, 2262, 2418, 2697, 2748, 2784, 2976, 2977, 3016, 3224, 3596, 3664, 4524, 4836, 5394, 5496, 5954, 6032, 6448, 6641, 7099, 7192, 7328, 8931, 9048, 9672, 10788, 10992, 11687, 11908, 12064, 12896, 13282, 14198, 14384, 17862, 18096, 19344, 19923, 21297, 21576, 21984, 23374, 23816, 26564, 28396, 28768, 35061, 35724, 36192, 38688, 39846, 42594, 43152, 46748, 47632, 53128, 56792, 70122, 71448, 79692, 85188, 86304, 86333, 92287, 93496, 95264, 106256, 113584, 140244, 142896, 159384, 170376, 172666, 184574, 186992, 205871, 212512, 227168, 258999, 276861, 280488, 285792, 318768, 340752, 345332, 369148, 373984, 411742, 517998, 553722, 560976, 617613, 637536, 681504, 690664, 738296, 823484, 1035996, 1107444, 1121952, 1235226, 1381328, 1476592, 1646968, 2071992, 2214888, 2470452, 2676323, 2762656, 2953184, 3293936, 4143984, 4429776, 4940904, 5352646, 6587872, 8028969, 8287968, 8859552, 9881808, 10705292, 16057938, 19763616, 21410584, 32115876, 42821168, 64231752, 85642336, 128463504, 256927008]

約数ペア:

[(1, 256927008), (2, 128463504), (3, 85642336), (4, 64231752), (6, 42821168), (8, 32115876), (12, 21410584), (13, 19763616), (16, 16057938), (24, 10705292), (26, 9881808), (29, 8859552), (31, 8287968), (32, 8028969), (39, 6587872), (48, 5352646), (52, 4940904), (58, 4429776), (62, 4143984), (78, 3293936), (87, 2953184), (93, 2762656), (96, 2676323), (104, 2470452), (116, 2214888), (124, 2071992), (156, 1646968), (174, 1476592), (186, 1381328), (208, 1235226), (229, 1121952), (232, 1107444), (248, 1035996), (312, 823484), (348, 738296), (372, 690664), (377, 681504), (403, 637536), (416, 617613), (458, 560976), (464, 553722), (496, 517998), (624, 411742), (687, 373984), (696, 369148), (744, 345332), (754, 340752), (806, 318768), (899, 285792), (916, 280488), (928, 276861), (992, 258999), (1131, 227168), (1209, 212512), (1248, 205871), (1374, 186992), (1392, 184574), (1488, 172666), (1508, 170376), (1612, 159384), (1798, 142896), (1832, 140244), (2262, 113584), (2418, 106256), (2697, 95264), (2748, 93496), (2784, 92287), (2976, 86333), (2977, 86304), (3016, 85188), (3224, 79692), (3596, 71448), (3664, 70122), (4524, 56792), (4836, 53128), (5394, 47632), (5496, 46748), (5954, 43152), (6032, 42594), (6448, 39846), (6641, 38688), (7099, 36192), (7192, 35724), (7328, 35061), (8931, 28768), (9048, 28396), (9672, 26564), (10788, 23816), (10992, 23374), (11687, 21984), (11908, 21576), (12064, 21297), (12896, 19923), (13282, 19344), (14198, 18096), (14384, 17862)]