256369536

素因数分解:

$2^7\times 3^4\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:418

約数の個数: 160

約数和(自身を含む): 775077600

約数和(自身を除く): 518708064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 79, 81, 96, 108, 128, 144, 158, 162, 192, 216, 237, 288, 313, 316, 324, 384, 432, 474, 576, 626, 632, 648, 711, 864, 939, 948, 1152, 1252, 1264, 1296, 1422, 1728, 1878, 1896, 2133, 2504, 2528, 2592, 2817, 2844, 3456, 3756, 3792, 4266, 5008, 5056, 5184, 5634, 5688, 6399, 7512, 7584, 8451, 8532, 10016, 10112, 10368, 11268, 11376, 12798, 15024, 15168, 16902, 17064, 20032, 22536, 22752, 24727, 25353, 25596, 30048, 30336, 33804, 34128, 40064, 45072, 45504, 49454, 50706, 51192, 60096, 67608, 68256, 74181, 90144, 91008, 98908, 101412, 102384, 120192, 135216, 136512, 148362, 180288, 197816, 202824, 204768, 222543, 270432, 273024, 296724, 360576, 395632, 405648, 409536, 445086, 540864, 593448, 667629, 791264, 811296, 819072, 890172, 1081728, 1186896, 1335258, 1582528, 1622592, 1780344, 2002887, 2373792, 2670516, 3165056, 3245184, 3560688, 4005774, 4747584, 5341032, 7121376, 8011548, 9495168, 10682064, 14242752, 16023096, 21364128, 28485504, 32046192, 42728256, 64092384, 85456512, 128184768, 256369536]

約数ペア:

[(1, 256369536), (2, 128184768), (3, 85456512), (4, 64092384), (6, 42728256), (8, 32046192), (9, 28485504), (12, 21364128), (16, 16023096), (18, 14242752), (24, 10682064), (27, 9495168), (32, 8011548), (36, 7121376), (48, 5341032), (54, 4747584), (64, 4005774), (72, 3560688), (79, 3245184), (81, 3165056), (96, 2670516), (108, 2373792), (128, 2002887), (144, 1780344), (158, 1622592), (162, 1582528), (192, 1335258), (216, 1186896), (237, 1081728), (288, 890172), (313, 819072), (316, 811296), (324, 791264), (384, 667629), (432, 593448), (474, 540864), (576, 445086), (626, 409536), (632, 405648), (648, 395632), (711, 360576), (864, 296724), (939, 273024), (948, 270432), (1152, 222543), (1252, 204768), (1264, 202824), (1296, 197816), (1422, 180288), (1728, 148362), (1878, 136512), (1896, 135216), (2133, 120192), (2504, 102384), (2528, 101412), (2592, 98908), (2817, 91008), (2844, 90144), (3456, 74181), (3756, 68256), (3792, 67608), (4266, 60096), (5008, 51192), (5056, 50706), (5184, 49454), (5634, 45504), (5688, 45072), (6399, 40064), (7512, 34128), (7584, 33804), (8451, 30336), (8532, 30048), (10016, 25596), (10112, 25353), (10368, 24727), (11268, 22752), (11376, 22536), (12798, 20032), (15024, 17064), (15168, 16902)]