1640572416

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:493

約数の個数: 240

約数和(自身を含む): 5460463008

約数和(自身を除く): 3819890592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 181, 192, 224, 252, 256, 281, 288, 336, 362, 384, 448, 504, 512, 543, 562, 576, 672, 724, 768, 843, 896, 1008, 1086, 1124, 1152, 1267, 1344, 1448, 1536, 1629, 1686, 1792, 1967, 2016, 2172, 2248, 2304, 2529, 2534, 2688, 2896, 3258, 3372, 3584, 3801, 3934, 4032, 4344, 4496, 4608, 5058, 5068, 5376, 5792, 5901, 6516, 6744, 7602, 7868, 8064, 8688, 8992, 10116, 10136, 10752, 11403, 11584, 11802, 13032, 13488, 15204, 15736, 16128, 17376, 17703, 17984, 20232, 20272, 22806, 23168, 23604, 26064, 26976, 30408, 31472, 32256, 34752, 35406, 35968, 40464, 40544, 45612, 46336, 47208, 50861, 52128, 53952, 60816, 62944, 69504, 70812, 71936, 80928, 81088, 91224, 92672, 94416, 101722, 104256, 107904, 121632, 125888, 139008, 141624, 143872, 152583, 161856, 162176, 182448, 188832, 203444, 208512, 215808, 243264, 251776, 278016, 283248, 305166, 323712, 324352, 356027, 364896, 377664, 406888, 417024, 431616, 457749, 486528, 503552, 566496, 610332, 647424, 648704, 712054, 729792, 755328, 813776, 834048, 915498, 973056, 1007104, 1068081, 1132992, 1220664, 1294848, 1424108, 1459584, 1510656, 1627552, 1830996, 1946112, 2136162, 2265984, 2441328, 2848216, 2919168, 3021312, 3204243, 3255104, 3661992, 4272324, 4531968, 4882656, 5696432, 5838336, 6408486, 6510208, 7323984, 8544648, 9063936, 9765312, 11392864, 12816972, 13020416, 14647968, 17089296, 19530624, 22785728, 25633944, 26040832, 29295936, 34178592, 39061248, 45571456, 51267888, 58591872, 68357184, 78122496, 91142912, 102535776, 117183744, 136714368, 182285824, 205071552, 234367488, 273428736, 410143104, 546857472, 820286208, 1640572416]

約数ペア:

[(1, 1640572416), (2, 820286208), (3, 546857472), (4, 410143104), (6, 273428736), (7, 234367488), (8, 205071552), (9, 182285824), (12, 136714368), (14, 117183744), (16, 102535776), (18, 91142912), (21, 78122496), (24, 68357184), (28, 58591872), (32, 51267888), (36, 45571456), (42, 39061248), (48, 34178592), (56, 29295936), (63, 26040832), (64, 25633944), (72, 22785728), (84, 19530624), (96, 17089296), (112, 14647968), (126, 13020416), (128, 12816972), (144, 11392864), (168, 9765312), (181, 9063936), (192, 8544648), (224, 7323984), (252, 6510208), (256, 6408486), (281, 5838336), (288, 5696432), (336, 4882656), (362, 4531968), (384, 4272324), (448, 3661992), (504, 3255104), (512, 3204243), (543, 3021312), (562, 2919168), (576, 2848216), (672, 2441328), (724, 2265984), (768, 2136162), (843, 1946112), (896, 1830996), (1008, 1627552), (1086, 1510656), (1124, 1459584), (1152, 1424108), (1267, 1294848), (1344, 1220664), (1448, 1132992), (1536, 1068081), (1629, 1007104), (1686, 973056), (1792, 915498), (1967, 834048), (2016, 813776), (2172, 755328), (2248, 729792), (2304, 712054), (2529, 648704), (2534, 647424), (2688, 610332), (2896, 566496), (3258, 503552), (3372, 486528), (3584, 457749), (3801, 431616), (3934, 417024), (4032, 406888), (4344, 377664), (4496, 364896), (4608, 356027), (5058, 324352), (5068, 323712), (5376, 305166), (5792, 283248), (5901, 278016), (6516, 251776), (6744, 243264), (7602, 215808), (7868, 208512), (8064, 203444), (8688, 188832), (8992, 182448), (10116, 162176), (10136, 161856), (10752, 152583), (11403, 143872), (11584, 141624), (11802, 139008), (13032, 125888), (13488, 121632), (15204, 107904), (15736, 104256), (16128, 101722), (17376, 94416), (17703, 92672), (17984, 91224), (20232, 81088), (20272, 80928), (22806, 71936), (23168, 70812), (23604, 69504), (26064, 62944), (26976, 60816), (30408, 53952), (31472, 52128), (32256, 50861), (34752, 47208), (35406, 46336), (35968, 45612), (40464, 40544)]