256578192

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 200

約数和(自身を含む): 813126776

約数和(自身を除く): 556548584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 97, 104, 108, 117, 144, 156, 157, 162, 194, 208, 216, 234, 291, 312, 314, 324, 351, 388, 432, 468, 471, 582, 624, 628, 648, 702, 776, 873, 936, 942, 1053, 1164, 1256, 1261, 1296, 1404, 1413, 1552, 1746, 1872, 1884, 2041, 2106, 2328, 2512, 2522, 2619, 2808, 2826, 3492, 3768, 3783, 4082, 4212, 4239, 4656, 5044, 5238, 5616, 5652, 6123, 6984, 7536, 7566, 7857, 8164, 8424, 8478, 10088, 10476, 11304, 11349, 12246, 12717, 13968, 15132, 15229, 15714, 16328, 16848, 16956, 18369, 20176, 20952, 22608, 22698, 24492, 25434, 30264, 30458, 31428, 32656, 33912, 34047, 36738, 41904, 45396, 45687, 48984, 50868, 55107, 60528, 60916, 62856, 67824, 68094, 73476, 90792, 91374, 97968, 101736, 102141, 110214, 121832, 125712, 136188, 137061, 146952, 165321, 181584, 182748, 197977, 203472, 204282, 220428, 243664, 272376, 274122, 293904, 330642, 365496, 395954, 408564, 411183, 440856, 544752, 548244, 593931, 661284, 730992, 791908, 817128, 822366, 881712, 1096488, 1187862, 1233549, 1322568, 1583816, 1634256, 1644732, 1781793, 2192976, 2375724, 2467098, 2645136, 3167632, 3289464, 3563586, 4751448, 4934196, 5345379, 6578928, 7127172, 9502896, 9868392, 10690758, 14254344, 16036137, 19736784, 21381516, 28508688, 32072274, 42763032, 64144548, 85526064, 128289096, 256578192]

約数ペア:

[(1, 256578192), (2, 128289096), (3, 85526064), (4, 64144548), (6, 42763032), (8, 32072274), (9, 28508688), (12, 21381516), (13, 19736784), (16, 16036137), (18, 14254344), (24, 10690758), (26, 9868392), (27, 9502896), (36, 7127172), (39, 6578928), (48, 5345379), (52, 4934196), (54, 4751448), (72, 3563586), (78, 3289464), (81, 3167632), (97, 2645136), (104, 2467098), (108, 2375724), (117, 2192976), (144, 1781793), (156, 1644732), (157, 1634256), (162, 1583816), (194, 1322568), (208, 1233549), (216, 1187862), (234, 1096488), (291, 881712), (312, 822366), (314, 817128), (324, 791908), (351, 730992), (388, 661284), (432, 593931), (468, 548244), (471, 544752), (582, 440856), (624, 411183), (628, 408564), (648, 395954), (702, 365496), (776, 330642), (873, 293904), (936, 274122), (942, 272376), (1053, 243664), (1164, 220428), (1256, 204282), (1261, 203472), (1296, 197977), (1404, 182748), (1413, 181584), (1552, 165321), (1746, 146952), (1872, 137061), (1884, 136188), (2041, 125712), (2106, 121832), (2328, 110214), (2512, 102141), (2522, 101736), (2619, 97968), (2808, 91374), (2826, 90792), (3492, 73476), (3768, 68094), (3783, 67824), (4082, 62856), (4212, 60916), (4239, 60528), (4656, 55107), (5044, 50868), (5238, 48984), (5616, 45687), (5652, 45396), (6123, 41904), (6984, 36738), (7536, 34047), (7566, 33912), (7857, 32656), (8164, 31428), (8424, 30458), (8478, 30264), (10088, 25434), (10476, 24492), (11304, 22698), (11349, 22608), (12246, 20952), (12717, 20176), (13968, 18369), (15132, 16956), (15229, 16848), (15714, 16328)]