257528376

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:315

約数の個数: 256

約数和(自身を含む): 889574400

約数和(自身を除く): 632046024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 43, 51, 54, 56, 63, 68, 72, 84, 86, 102, 108, 119, 126, 129, 136, 153, 168, 172, 189, 204, 216, 233, 238, 252, 258, 301, 306, 344, 357, 378, 387, 408, 459, 466, 476, 504, 516, 602, 612, 699, 714, 731, 756, 774, 903, 918, 932, 952, 1032, 1071, 1161, 1204, 1224, 1398, 1428, 1462, 1512, 1548, 1631, 1806, 1836, 1864, 2097, 2142, 2193, 2322, 2408, 2709, 2796, 2856, 2924, 3096, 3213, 3262, 3612, 3672, 3961, 4194, 4284, 4386, 4644, 4893, 5117, 5418, 5592, 5848, 6291, 6426, 6524, 6579, 7224, 7922, 8127, 8388, 8568, 8772, 9288, 9786, 10019, 10234, 10836, 11883, 12582, 12852, 13048, 13158, 14679, 15351, 15844, 16254, 16776, 17544, 19572, 19737, 20038, 20468, 21672, 23766, 25164, 25704, 26316, 27727, 29358, 30057, 30702, 31688, 32508, 35649, 39144, 39474, 40076, 40936, 44037, 46053, 47532, 50328, 52632, 55454, 58716, 60114, 61404, 65016, 70133, 71298, 78948, 80152, 83181, 88074, 90171, 92106, 95064, 106947, 110908, 117432, 120228, 122808, 138159, 140266, 142596, 157896, 166362, 170323, 176148, 180342, 184212, 210399, 213894, 221816, 240456, 249543, 270513, 276318, 280532, 285192, 332724, 340646, 352296, 360684, 368424, 420798, 427788, 499086, 510969, 541026, 552636, 561064, 631197, 665448, 681292, 721368, 748629, 841596, 855576, 998172, 1021938, 1082052, 1105272, 1192261, 1262394, 1362584, 1497258, 1532907, 1683192, 1893591, 1996344, 2043876, 2164104, 2384522, 2524788, 2994516, 3065814, 3576783, 3787182, 4087752, 4598721, 4769044, 5049576, 5989032, 6131628, 7153566, 7574364, 9197442, 9538088, 10730349, 12263256, 14307132, 15148728, 18394884, 21460698, 28614264, 32191047, 36789768, 42921396, 64382094, 85842792, 128764188, 257528376]

約数ペア:

[(1, 257528376), (2, 128764188), (3, 85842792), (4, 64382094), (6, 42921396), (7, 36789768), (8, 32191047), (9, 28614264), (12, 21460698), (14, 18394884), (17, 15148728), (18, 14307132), (21, 12263256), (24, 10730349), (27, 9538088), (28, 9197442), (34, 7574364), (36, 7153566), (42, 6131628), (43, 5989032), (51, 5049576), (54, 4769044), (56, 4598721), (63, 4087752), (68, 3787182), (72, 3576783), (84, 3065814), (86, 2994516), (102, 2524788), (108, 2384522), (119, 2164104), (126, 2043876), (129, 1996344), (136, 1893591), (153, 1683192), (168, 1532907), (172, 1497258), (189, 1362584), (204, 1262394), (216, 1192261), (233, 1105272), (238, 1082052), (252, 1021938), (258, 998172), (301, 855576), (306, 841596), (344, 748629), (357, 721368), (378, 681292), (387, 665448), (408, 631197), (459, 561064), (466, 552636), (476, 541026), (504, 510969), (516, 499086), (602, 427788), (612, 420798), (699, 368424), (714, 360684), (731, 352296), (756, 340646), (774, 332724), (903, 285192), (918, 280532), (932, 276318), (952, 270513), (1032, 249543), (1071, 240456), (1161, 221816), (1204, 213894), (1224, 210399), (1398, 184212), (1428, 180342), (1462, 176148), (1512, 170323), (1548, 166362), (1631, 157896), (1806, 142596), (1836, 140266), (1864, 138159), (2097, 122808), (2142, 120228), (2193, 117432), (2322, 110908), (2408, 106947), (2709, 95064), (2796, 92106), (2856, 90171), (2924, 88074), (3096, 83181), (3213, 80152), (3262, 78948), (3612, 71298), (3672, 70133), (3961, 65016), (4194, 61404), (4284, 60114), (4386, 58716), (4644, 55454), (4893, 52632), (5117, 50328), (5418, 47532), (5592, 46053), (5848, 44037), (6291, 40936), (6426, 40076), (6524, 39474), (6579, 39144), (7224, 35649), (7922, 32508), (8127, 31688), (8388, 30702), (8568, 30057), (8772, 29358), (9288, 27727), (9786, 26316), (10019, 25704), (10234, 25164), (10836, 23766), (11883, 21672), (12582, 20468), (12852, 20038), (13048, 19737), (13158, 19572), (14679, 17544), (15351, 16776), (15844, 16254)]