820909728

素因数分解:

$2^5\times 3^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 240

約数和(自身を含む): 2550350880

約数和(自身を除く): 1729441152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 67, 72, 81, 87, 96, 108, 116, 134, 144, 162, 163, 174, 201, 216, 232, 261, 268, 288, 324, 326, 348, 402, 432, 464, 489, 522, 536, 603, 648, 652, 696, 783, 804, 864, 928, 978, 1044, 1072, 1206, 1296, 1304, 1392, 1467, 1566, 1608, 1809, 1943, 1956, 2088, 2144, 2349, 2412, 2592, 2608, 2784, 2934, 3132, 3216, 3618, 3886, 3912, 4176, 4401, 4698, 4727, 4824, 5216, 5427, 5829, 5868, 6264, 6432, 7236, 7772, 7824, 8352, 8802, 9396, 9454, 9648, 10854, 10921, 11658, 11736, 12528, 13203, 14181, 14472, 15544, 15648, 17487, 17604, 18792, 18908, 19296, 21708, 21842, 23316, 23472, 25056, 26406, 28362, 28944, 31088, 32763, 34974, 35208, 37584, 37816, 42543, 43416, 43684, 46632, 46944, 52461, 52812, 56724, 57888, 62176, 65526, 69948, 70416, 75168, 75632, 85086, 86832, 87368, 93264, 98289, 104922, 105624, 113448, 127629, 131052, 139896, 140832, 151264, 157383, 170172, 173664, 174736, 186528, 196578, 209844, 211248, 226896, 255258, 262104, 279792, 294867, 314766, 316709, 340344, 349472, 382887, 393156, 419688, 422496, 453792, 510516, 524208, 559584, 589734, 629532, 633418, 680688, 765774, 786312, 839376, 884601, 950127, 1021032, 1048416, 1179468, 1259064, 1266836, 1361376, 1531548, 1572624, 1678752, 1769202, 1900254, 2042064, 2358936, 2518128, 2533672, 2850381, 3063096, 3145248, 3538404, 3800508, 4084128, 4717872, 5036256, 5067344, 5700762, 6126192, 7076808, 7601016, 8551143, 9435744, 10134688, 11401524, 12252384, 14153616, 15202032, 17102286, 22803048, 25653429, 28307232, 30404064, 34204572, 45606096, 51306858, 68409144, 91212192, 102613716, 136818288, 205227432, 273636576, 410454864, 820909728]

約数ペア:

[(1, 820909728), (2, 410454864), (3, 273636576), (4, 205227432), (6, 136818288), (8, 102613716), (9, 91212192), (12, 68409144), (16, 51306858), (18, 45606096), (24, 34204572), (27, 30404064), (29, 28307232), (32, 25653429), (36, 22803048), (48, 17102286), (54, 15202032), (58, 14153616), (67, 12252384), (72, 11401524), (81, 10134688), (87, 9435744), (96, 8551143), (108, 7601016), (116, 7076808), (134, 6126192), (144, 5700762), (162, 5067344), (163, 5036256), (174, 4717872), (201, 4084128), (216, 3800508), (232, 3538404), (261, 3145248), (268, 3063096), (288, 2850381), (324, 2533672), (326, 2518128), (348, 2358936), (402, 2042064), (432, 1900254), (464, 1769202), (489, 1678752), (522, 1572624), (536, 1531548), (603, 1361376), (648, 1266836), (652, 1259064), (696, 1179468), (783, 1048416), (804, 1021032), (864, 950127), (928, 884601), (978, 839376), (1044, 786312), (1072, 765774), (1206, 680688), (1296, 633418), (1304, 629532), (1392, 589734), (1467, 559584), (1566, 524208), (1608, 510516), (1809, 453792), (1943, 422496), (1956, 419688), (2088, 393156), (2144, 382887), (2349, 349472), (2412, 340344), (2592, 316709), (2608, 314766), (2784, 294867), (2934, 279792), (3132, 262104), (3216, 255258), (3618, 226896), (3886, 211248), (3912, 209844), (4176, 196578), (4401, 186528), (4698, 174736), (4727, 173664), (4824, 170172), (5216, 157383), (5427, 151264), (5829, 140832), (5868, 139896), (6264, 131052), (6432, 127629), (7236, 113448), (7772, 105624), (7824, 104922), (8352, 98289), (8802, 93264), (9396, 87368), (9454, 86832), (9648, 85086), (10854, 75632), (10921, 75168), (11658, 70416), (11736, 69948), (12528, 65526), (13203, 62176), (14181, 57888), (14472, 56724), (15544, 52812), (15648, 52461), (17487, 46944), (17604, 46632), (18792, 43684), (18908, 43416), (19296, 42543), (21708, 37816), (21842, 37584), (23316, 35208), (23472, 34974), (25056, 32763), (26406, 31088), (28362, 28944)]