257188608

素因数分解:

$2^8\times 3^4\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 180

約数和(自身を含む): 781543840

約数和(自身を除く): 524355232

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, 157, 158, 162, 192, 216, 237, 256, 288, 314, 316, 324, 384, 432, 471, 474, 576, 628, 632, 648, 711, 768, 864, 942, 948, 1152, 1256, 1264, 1296, 1413, 1422, 1728, 1884, 1896, 2133, 2304, 2512, 2528, 2592, 2826, 2844, 3456, 3768, 3792, 4239, 4266, 5024, 5056, 5184, 5652, 5688, 6399, 6912, 7536, 7584, 8478, 8532, 10048, 10112, 10368, 11304, 11376, 12403, 12717, 12798, 15072, 15168, 16956, 17064, 20096, 20224, 20736, 22608, 22752, 24806, 25434, 25596, 30144, 30336, 33912, 34128, 37209, 40192, 45216, 45504, 49612, 50868, 51192, 60288, 60672, 67824, 68256, 74418, 90432, 91008, 99224, 101736, 102384, 111627, 120576, 135648, 136512, 148836, 180864, 182016, 198448, 203472, 204768, 223254, 271296, 273024, 297672, 334881, 361728, 396896, 406944, 409536, 446508, 542592, 546048, 595344, 669762, 793792, 813888, 819072, 893016, 1004643, 1085184, 1190688, 1339524, 1587584, 1627776, 1638144, 1786032, 2009286, 2381376, 2679048, 3175168, 3255552, 3572064, 4018572, 4762752, 5358096, 7144128, 8037144, 9525504, 10716192, 14288256, 16074288, 21432384, 28576512, 32148576, 42864768, 64297152, 85729536, 128594304, 257188608]

約数ペア:

[(1, 257188608), (2, 128594304), (3, 85729536), (4, 64297152), (6, 42864768), (8, 32148576), (9, 28576512), (12, 21432384), (16, 16074288), (18, 14288256), (24, 10716192), (27, 9525504), (32, 8037144), (36, 7144128), (48, 5358096), (54, 4762752), (64, 4018572), (72, 3572064), (79, 3255552), (81, 3175168), (96, 2679048), (108, 2381376), (128, 2009286), (144, 1786032), (157, 1638144), (158, 1627776), (162, 1587584), (192, 1339524), (216, 1190688), (237, 1085184), (256, 1004643), (288, 893016), (314, 819072), (316, 813888), (324, 793792), (384, 669762), (432, 595344), (471, 546048), (474, 542592), (576, 446508), (628, 409536), (632, 406944), (648, 396896), (711, 361728), (768, 334881), (864, 297672), (942, 273024), (948, 271296), (1152, 223254), (1256, 204768), (1264, 203472), (1296, 198448), (1413, 182016), (1422, 180864), (1728, 148836), (1884, 136512), (1896, 135648), (2133, 120576), (2304, 111627), (2512, 102384), (2528, 101736), (2592, 99224), (2826, 91008), (2844, 90432), (3456, 74418), (3768, 68256), (3792, 67824), (4239, 60672), (4266, 60288), (5024, 51192), (5056, 50868), (5184, 49612), (5652, 45504), (5688, 45216), (6399, 40192), (6912, 37209), (7536, 34128), (7584, 33912), (8478, 30336), (8532, 30144), (10048, 25596), (10112, 25434), (10368, 24806), (11304, 22752), (11376, 22608), (12403, 20736), (12717, 20224), (12798, 20096), (15072, 17064), (15168, 16956)]