278013456

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:131

約数の個数: 270

約数和(自身を含む): 958028526

約数和(自身を除く): 680015070

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 41, 42, 48, 49, 56, 62, 63, 72, 82, 84, 93, 98, 112, 123, 124, 126, 144, 147, 164, 168, 186, 196, 217, 246, 248, 252, 279, 287, 294, 328, 336, 369, 372, 392, 434, 441, 492, 496, 504, 558, 574, 588, 651, 656, 738, 744, 784, 861, 868, 882, 961, 984, 1008, 1116, 1148, 1176, 1271, 1302, 1476, 1488, 1519, 1722, 1736, 1764, 1922, 1953, 1968, 2009, 2232, 2296, 2352, 2542, 2583, 2604, 2883, 2952, 3038, 3444, 3472, 3528, 3813, 3844, 3906, 4018, 4464, 4557, 4592, 5084, 5166, 5208, 5766, 5904, 6027, 6076, 6727, 6888, 7056, 7626, 7688, 7812, 8036, 8649, 8897, 9114, 10168, 10332, 10416, 11439, 11532, 12054, 12152, 13454, 13671, 13776, 15252, 15376, 15624, 16072, 17298, 17794, 18081, 18228, 20181, 20336, 20664, 22878, 23064, 24108, 24304, 26691, 26908, 27342, 30504, 31248, 32144, 34596, 35588, 36162, 36456, 39401, 40362, 41328, 45756, 46128, 47089, 48216, 53382, 53816, 54684, 60543, 61008, 62279, 69192, 71176, 72324, 72912, 78802, 80073, 80724, 91512, 94178, 96432, 106764, 107632, 109368, 118203, 121086, 124558, 138384, 141267, 142352, 144648, 157604, 160146, 161448, 183024, 186837, 188356, 213528, 218736, 236406, 242172, 249116, 275807, 282534, 289296, 315208, 320292, 322896, 354609, 373674, 376712, 423801, 427056, 472812, 484344, 498232, 551614, 560511, 565068, 630416, 640584, 709218, 747348, 753424, 827421, 847602, 945624, 968688, 996464, 1103228, 1121022, 1130136, 1281168, 1418436, 1494696, 1654842, 1695204, 1891248, 1930649, 2206456, 2242044, 2260272, 2482263, 2836872, 2989392, 3309684, 3390408, 3861298, 4412912, 4484088, 4964526, 5673744, 5791947, 6619368, 6780816, 7722596, 8968176, 9929052, 11583894, 13238736, 15445192, 17375841, 19858104, 23167788, 30890384, 34751682, 39716208, 46335576, 69503364, 92671152, 139006728, 278013456]

約数ペア:

[(1, 278013456), (2, 139006728), (3, 92671152), (4, 69503364), (6, 46335576), (7, 39716208), (8, 34751682), (9, 30890384), (12, 23167788), (14, 19858104), (16, 17375841), (18, 15445192), (21, 13238736), (24, 11583894), (28, 9929052), (31, 8968176), (36, 7722596), (41, 6780816), (42, 6619368), (48, 5791947), (49, 5673744), (56, 4964526), (62, 4484088), (63, 4412912), (72, 3861298), (82, 3390408), (84, 3309684), (93, 2989392), (98, 2836872), (112, 2482263), (123, 2260272), (124, 2242044), (126, 2206456), (144, 1930649), (147, 1891248), (164, 1695204), (168, 1654842), (186, 1494696), (196, 1418436), (217, 1281168), (246, 1130136), (248, 1121022), (252, 1103228), (279, 996464), (287, 968688), (294, 945624), (328, 847602), (336, 827421), (369, 753424), (372, 747348), (392, 709218), (434, 640584), (441, 630416), (492, 565068), (496, 560511), (504, 551614), (558, 498232), (574, 484344), (588, 472812), (651, 427056), (656, 423801), (738, 376712), (744, 373674), (784, 354609), (861, 322896), (868, 320292), (882, 315208), (961, 289296), (984, 282534), (1008, 275807), (1116, 249116), (1148, 242172), (1176, 236406), (1271, 218736), (1302, 213528), (1476, 188356), (1488, 186837), (1519, 183024), (1722, 161448), (1736, 160146), (1764, 157604), (1922, 144648), (1953, 142352), (1968, 141267), (2009, 138384), (2232, 124558), (2296, 121086), (2352, 118203), (2542, 109368), (2583, 107632), (2604, 106764), (2883, 96432), (2952, 94178), (3038, 91512), (3444, 80724), (3472, 80073), (3528, 78802), (3813, 72912), (3844, 72324), (3906, 71176), (4018, 69192), (4464, 62279), (4557, 61008), (4592, 60543), (5084, 54684), (5166, 53816), (5208, 53382), (5766, 48216), (5904, 47089), (6027, 46128), (6076, 45756), (6727, 41328), (6888, 40362), (7056, 39401), (7626, 36456), (7688, 36162), (7812, 35588), (8036, 34596), (8649, 32144), (8897, 31248), (9114, 30504), (10168, 27342), (10332, 26908), (10416, 26691), (11439, 24304), (11532, 24108), (12054, 23064), (12152, 22878), (13454, 20664), (13671, 20336), (13776, 20181), (15252, 18228), (15376, 18081), (15624, 17794), (16072, 17298)]