256694256

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1084

約数の個数: 240

約数和(自身を含む): 931607040

約数和(自身を除く): 674912784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 19, 21, 24, 26, 28, 36, 38, 39, 42, 48, 52, 56, 57, 63, 72, 76, 78, 84, 91, 104, 112, 114, 117, 126, 133, 144, 152, 156, 168, 171, 182, 208, 228, 234, 247, 252, 266, 273, 304, 312, 336, 342, 364, 399, 456, 468, 494, 504, 532, 546, 624, 684, 728, 741, 798, 819, 912, 936, 988, 1008, 1031, 1064, 1092, 1197, 1368, 1456, 1482, 1596, 1638, 1729, 1872, 1976, 2062, 2128, 2184, 2223, 2394, 2736, 2964, 3093, 3192, 3276, 3458, 3952, 4124, 4368, 4446, 4788, 5187, 5928, 6186, 6384, 6552, 6916, 7217, 8248, 8892, 9279, 9576, 10374, 11856, 12372, 13104, 13403, 13832, 14434, 15561, 16496, 17784, 18558, 19152, 19589, 20748, 21651, 24744, 26806, 27664, 28868, 31122, 35568, 37116, 39178, 40209, 41496, 43302, 49488, 53612, 57736, 58767, 62244, 64953, 74232, 78356, 80418, 82992, 86604, 93821, 107224, 115472, 117534, 120627, 124488, 129906, 137123, 148464, 156712, 160836, 173208, 176301, 187642, 214448, 235068, 241254, 248976, 254657, 259812, 274246, 281463, 313424, 321672, 346416, 352602, 375284, 411369, 470136, 482508, 509314, 519624, 548492, 562926, 643344, 705204, 750568, 763971, 822738, 844389, 940272, 965016, 1018628, 1039248, 1096984, 1125852, 1234107, 1410408, 1501136, 1527942, 1645476, 1688778, 1782599, 1930032, 2037256, 2193968, 2251704, 2291913, 2468214, 2820816, 3055884, 3290952, 3377556, 3565198, 4074512, 4503408, 4583826, 4936428, 5347797, 6111768, 6581904, 6755112, 7130396, 9167652, 9872856, 10695594, 12223536, 13510224, 14260792, 16043391, 18335304, 19745712, 21391188, 28521584, 32086782, 36670608, 42782376, 64173564, 85564752, 128347128, 256694256]

約数ペア:

[(1, 256694256), (2, 128347128), (3, 85564752), (4, 64173564), (6, 42782376), (7, 36670608), (8, 32086782), (9, 28521584), (12, 21391188), (13, 19745712), (14, 18335304), (16, 16043391), (18, 14260792), (19, 13510224), (21, 12223536), (24, 10695594), (26, 9872856), (28, 9167652), (36, 7130396), (38, 6755112), (39, 6581904), (42, 6111768), (48, 5347797), (52, 4936428), (56, 4583826), (57, 4503408), (63, 4074512), (72, 3565198), (76, 3377556), (78, 3290952), (84, 3055884), (91, 2820816), (104, 2468214), (112, 2291913), (114, 2251704), (117, 2193968), (126, 2037256), (133, 1930032), (144, 1782599), (152, 1688778), (156, 1645476), (168, 1527942), (171, 1501136), (182, 1410408), (208, 1234107), (228, 1125852), (234, 1096984), (247, 1039248), (252, 1018628), (266, 965016), (273, 940272), (304, 844389), (312, 822738), (336, 763971), (342, 750568), (364, 705204), (399, 643344), (456, 562926), (468, 548492), (494, 519624), (504, 509314), (532, 482508), (546, 470136), (624, 411369), (684, 375284), (728, 352602), (741, 346416), (798, 321672), (819, 313424), (912, 281463), (936, 274246), (988, 259812), (1008, 254657), (1031, 248976), (1064, 241254), (1092, 235068), (1197, 214448), (1368, 187642), (1456, 176301), (1482, 173208), (1596, 160836), (1638, 156712), (1729, 148464), (1872, 137123), (1976, 129906), (2062, 124488), (2128, 120627), (2184, 117534), (2223, 115472), (2394, 107224), (2736, 93821), (2964, 86604), (3093, 82992), (3192, 80418), (3276, 78356), (3458, 74232), (3952, 64953), (4124, 62244), (4368, 58767), (4446, 57736), (4788, 53612), (5187, 49488), (5928, 43302), (6186, 41496), (6384, 40209), (6552, 39178), (6916, 37116), (7217, 35568), (8248, 31122), (8892, 28868), (9279, 27664), (9576, 26806), (10374, 24744), (11856, 21651), (12372, 20748), (13104, 19589), (13403, 19152), (13832, 18558), (14434, 17784), (15561, 16496)]