278937216

素因数分解:

$2^7\times 3^3\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1943

約数の個数: 128

約数和(自身を含む): 842846400

約数和(自身を除く): 563909184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 64, 72, 86, 96, 108, 128, 129, 144, 172, 192, 216, 258, 288, 344, 384, 387, 432, 516, 576, 688, 774, 864, 1032, 1152, 1161, 1376, 1548, 1728, 1877, 2064, 2322, 2752, 3096, 3456, 3754, 4128, 4644, 5504, 5631, 6192, 7508, 8256, 9288, 11262, 12384, 15016, 16512, 16893, 18576, 22524, 24768, 30032, 33786, 37152, 45048, 49536, 50679, 60064, 67572, 74304, 80711, 90096, 101358, 120128, 135144, 148608, 161422, 180192, 202716, 240256, 242133, 270288, 322844, 360384, 405432, 484266, 540576, 645688, 720768, 726399, 810864, 968532, 1081152, 1291376, 1452798, 1621728, 1937064, 2162304, 2179197, 2582752, 2905596, 3243456, 3874128, 4358394, 5165504, 5811192, 6486912, 7748256, 8716788, 10331008, 11622384, 15496512, 17433576, 23244768, 30993024, 34867152, 46489536, 69734304, 92979072, 139468608, 278937216]

約数ペア:

[(1, 278937216), (2, 139468608), (3, 92979072), (4, 69734304), (6, 46489536), (8, 34867152), (9, 30993024), (12, 23244768), (16, 17433576), (18, 15496512), (24, 11622384), (27, 10331008), (32, 8716788), (36, 7748256), (43, 6486912), (48, 5811192), (54, 5165504), (64, 4358394), (72, 3874128), (86, 3243456), (96, 2905596), (108, 2582752), (128, 2179197), (129, 2162304), (144, 1937064), (172, 1621728), (192, 1452798), (216, 1291376), (258, 1081152), (288, 968532), (344, 810864), (384, 726399), (387, 720768), (432, 645688), (516, 540576), (576, 484266), (688, 405432), (774, 360384), (864, 322844), (1032, 270288), (1152, 242133), (1161, 240256), (1376, 202716), (1548, 180192), (1728, 161422), (1877, 148608), (2064, 135144), (2322, 120128), (2752, 101358), (3096, 90096), (3456, 80711), (3754, 74304), (4128, 67572), (4644, 60064), (5504, 50679), (5631, 49536), (6192, 45048), (7508, 37152), (8256, 33786), (9288, 30032), (11262, 24768), (12384, 22524), (15016, 18576), (16512, 16893)]