256646016

素因数分解:

$2^7\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 256

約数和(自身を含む): 850924800

約数和(自身を除く): 594278784

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 43, 44, 48, 54, 64, 66, 72, 86, 88, 96, 99, 108, 128, 129, 132, 144, 157, 172, 176, 192, 198, 216, 258, 264, 288, 297, 314, 344, 352, 384, 387, 396, 432, 471, 473, 516, 528, 576, 594, 628, 688, 704, 774, 792, 864, 942, 946, 1032, 1056, 1152, 1161, 1188, 1256, 1376, 1408, 1413, 1419, 1548, 1584, 1727, 1728, 1884, 1892, 2064, 2112, 2322, 2376, 2512, 2752, 2826, 2838, 3096, 3168, 3454, 3456, 3768, 3784, 4128, 4224, 4239, 4257, 4644, 4752, 5024, 5181, 5504, 5652, 5676, 6192, 6336, 6751, 6908, 7536, 7568, 8256, 8478, 8514, 9288, 9504, 10048, 10362, 11304, 11352, 12384, 12672, 12771, 13502, 13816, 15072, 15136, 15543, 16512, 16956, 17028, 18576, 19008, 20096, 20253, 20724, 22608, 22704, 24768, 25542, 27004, 27632, 30144, 30272, 31086, 33912, 34056, 37152, 38016, 40506, 41448, 45216, 45408, 46629, 49536, 51084, 54008, 55264, 60288, 60544, 60759, 62172, 67824, 68112, 74261, 74304, 81012, 82896, 90432, 90816, 93258, 102168, 108016, 110528, 121518, 124344, 135648, 136224, 148522, 148608, 162024, 165792, 180864, 181632, 182277, 186516, 204336, 216032, 221056, 222783, 243036, 248688, 271296, 272448, 297044, 324048, 331584, 364554, 373032, 408672, 432064, 445566, 486072, 497376, 542592, 544896, 594088, 648096, 663168, 668349, 729108, 746064, 817344, 864128, 891132, 972144, 994752, 1188176, 1296192, 1336698, 1458216, 1492128, 1634688, 1782264, 1944288, 1989504, 2005047, 2376352, 2592384, 2673396, 2916432, 2984256, 3564528, 3888576, 4010094, 4752704, 5346792, 5832864, 5968512, 7129056, 7777152, 8020188, 9505408, 10693584, 11665728, 14258112, 16040376, 21387168, 23331456, 28516224, 32080752, 42774336, 64161504, 85548672, 128323008, 256646016]

約数ペア:

[(1, 256646016), (2, 128323008), (3, 85548672), (4, 64161504), (6, 42774336), (8, 32080752), (9, 28516224), (11, 23331456), (12, 21387168), (16, 16040376), (18, 14258112), (22, 11665728), (24, 10693584), (27, 9505408), (32, 8020188), (33, 7777152), (36, 7129056), (43, 5968512), (44, 5832864), (48, 5346792), (54, 4752704), (64, 4010094), (66, 3888576), (72, 3564528), (86, 2984256), (88, 2916432), (96, 2673396), (99, 2592384), (108, 2376352), (128, 2005047), (129, 1989504), (132, 1944288), (144, 1782264), (157, 1634688), (172, 1492128), (176, 1458216), (192, 1336698), (198, 1296192), (216, 1188176), (258, 994752), (264, 972144), (288, 891132), (297, 864128), (314, 817344), (344, 746064), (352, 729108), (384, 668349), (387, 663168), (396, 648096), (432, 594088), (471, 544896), (473, 542592), (516, 497376), (528, 486072), (576, 445566), (594, 432064), (628, 408672), (688, 373032), (704, 364554), (774, 331584), (792, 324048), (864, 297044), (942, 272448), (946, 271296), (1032, 248688), (1056, 243036), (1152, 222783), (1161, 221056), (1188, 216032), (1256, 204336), (1376, 186516), (1408, 182277), (1413, 181632), (1419, 180864), (1548, 165792), (1584, 162024), (1727, 148608), (1728, 148522), (1884, 136224), (1892, 135648), (2064, 124344), (2112, 121518), (2322, 110528), (2376, 108016), (2512, 102168), (2752, 93258), (2826, 90816), (2838, 90432), (3096, 82896), (3168, 81012), (3454, 74304), (3456, 74261), (3768, 68112), (3784, 67824), (4128, 62172), (4224, 60759), (4239, 60544), (4257, 60288), (4644, 55264), (4752, 54008), (5024, 51084), (5181, 49536), (5504, 46629), (5652, 45408), (5676, 45216), (6192, 41448), (6336, 40506), (6751, 38016), (6908, 37152), (7536, 34056), (7568, 33912), (8256, 31086), (8478, 30272), (8514, 30144), (9288, 27632), (9504, 27004), (10048, 25542), (10362, 24768), (11304, 22704), (11352, 22608), (12384, 20724), (12672, 20253), (12771, 20096), (13502, 19008), (13816, 18576), (15072, 17028), (15136, 16956), (15543, 16512)]