81476928

素因数分解:

$2^6\times 3^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 252

約数和(自身を含む): 270711168

約数和(自身を除く): 189234240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 32, 36, 39, 48, 52, 54, 62, 64, 72, 78, 81, 93, 96, 104, 108, 117, 124, 144, 156, 162, 169, 186, 192, 208, 216, 234, 243, 248, 279, 288, 312, 324, 338, 351, 372, 403, 416, 432, 468, 486, 496, 507, 558, 576, 624, 648, 676, 702, 744, 806, 832, 837, 864, 936, 972, 992, 1014, 1053, 1116, 1209, 1248, 1296, 1352, 1404, 1488, 1521, 1612, 1674, 1728, 1872, 1944, 1984, 2028, 2106, 2232, 2418, 2496, 2511, 2592, 2704, 2808, 2976, 3042, 3159, 3224, 3348, 3627, 3744, 3888, 4056, 4212, 4464, 4563, 4836, 5022, 5184, 5239, 5408, 5616, 5952, 6084, 6318, 6448, 6696, 7254, 7488, 7533, 7776, 8112, 8424, 8928, 9126, 9672, 10044, 10478, 10816, 10881, 11232, 12168, 12636, 12896, 13392, 13689, 14508, 15066, 15552, 15717, 16224, 16848, 17856, 18252, 19344, 20088, 20956, 21762, 22464, 24336, 25272, 25792, 26784, 27378, 29016, 30132, 31434, 32448, 32643, 33696, 36504, 38688, 40176, 41067, 41912, 43524, 47151, 48672, 50544, 53568, 54756, 58032, 60264, 62868, 65286, 67392, 73008, 77376, 80352, 82134, 83824, 87048, 94302, 97344, 97929, 101088, 109512, 116064, 120528, 125736, 130572, 141453, 146016, 160704, 164268, 167648, 174096, 188604, 195858, 202176, 219024, 232128, 241056, 251472, 261144, 282906, 292032, 328536, 335296, 348192, 377208, 391716, 424359, 438048, 482112, 502944, 522288, 565812, 657072, 696384, 754416, 783432, 848718, 876096, 1005888, 1044576, 1131624, 1273077, 1314144, 1508832, 1566864, 1697436, 2089152, 2263248, 2546154, 2628288, 3017664, 3133728, 3394872, 4526496, 5092308, 6267456, 6789744, 9052992, 10184616, 13579488, 20369232, 27158976, 40738464, 81476928]

約数ペア:

[(1, 81476928), (2, 40738464), (3, 27158976), (4, 20369232), (6, 13579488), (8, 10184616), (9, 9052992), (12, 6789744), (13, 6267456), (16, 5092308), (18, 4526496), (24, 3394872), (26, 3133728), (27, 3017664), (31, 2628288), (32, 2546154), (36, 2263248), (39, 2089152), (48, 1697436), (52, 1566864), (54, 1508832), (62, 1314144), (64, 1273077), (72, 1131624), (78, 1044576), (81, 1005888), (93, 876096), (96, 848718), (104, 783432), (108, 754416), (117, 696384), (124, 657072), (144, 565812), (156, 522288), (162, 502944), (169, 482112), (186, 438048), (192, 424359), (208, 391716), (216, 377208), (234, 348192), (243, 335296), (248, 328536), (279, 292032), (288, 282906), (312, 261144), (324, 251472), (338, 241056), (351, 232128), (372, 219024), (403, 202176), (416, 195858), (432, 188604), (468, 174096), (486, 167648), (496, 164268), (507, 160704), (558, 146016), (576, 141453), (624, 130572), (648, 125736), (676, 120528), (702, 116064), (744, 109512), (806, 101088), (832, 97929), (837, 97344), (864, 94302), (936, 87048), (972, 83824), (992, 82134), (1014, 80352), (1053, 77376), (1116, 73008), (1209, 67392), (1248, 65286), (1296, 62868), (1352, 60264), (1404, 58032), (1488, 54756), (1521, 53568), (1612, 50544), (1674, 48672), (1728, 47151), (1872, 43524), (1944, 41912), (1984, 41067), (2028, 40176), (2106, 38688), (2232, 36504), (2418, 33696), (2496, 32643), (2511, 32448), (2592, 31434), (2704, 30132), (2808, 29016), (2976, 27378), (3042, 26784), (3159, 25792), (3224, 25272), (3348, 24336), (3627, 22464), (3744, 21762), (3888, 20956), (4056, 20088), (4212, 19344), (4464, 18252), (4563, 17856), (4836, 16848), (5022, 16224), (5184, 15717), (5239, 15552), (5408, 15066), (5616, 14508), (5952, 13689), (6084, 13392), (6318, 12896), (6448, 12636), (6696, 12168), (7254, 11232), (7488, 10881), (7533, 10816), (7776, 10478), (8112, 10044), (8424, 9672), (8928, 9126)]