81287712

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^1\times {\mathrm{2851}}^1$

素因数の和:2884

約数の個数: 120

約数和(自身を含む): 260889552

約数和(自身を除く): 179601840

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 81, 88, 96, 99, 108, 132, 144, 162, 176, 198, 216, 264, 288, 297, 324, 352, 396, 432, 528, 594, 648, 792, 864, 891, 1056, 1188, 1296, 1584, 1782, 2376, 2592, 2851, 3168, 3564, 4752, 5702, 7128, 8553, 9504, 11404, 14256, 17106, 22808, 25659, 28512, 31361, 34212, 45616, 51318, 62722, 68424, 76977, 91232, 94083, 102636, 125444, 136848, 153954, 188166, 205272, 230931, 250888, 273696, 282249, 307908, 376332, 410544, 461862, 501776, 564498, 615816, 752664, 821088, 846747, 923724, 1003552, 1128996, 1231632, 1505328, 1693494, 1847448, 2257992, 2463264, 2540241, 3010656, 3386988, 3694896, 4515984, 5080482, 6773976, 7389792, 9031968, 10160964, 13547952, 20321928, 27095904, 40643856, 81287712]

約数ペア:

[(1, 81287712), (2, 40643856), (3, 27095904), (4, 20321928), (6, 13547952), (8, 10160964), (9, 9031968), (11, 7389792), (12, 6773976), (16, 5080482), (18, 4515984), (22, 3694896), (24, 3386988), (27, 3010656), (32, 2540241), (33, 2463264), (36, 2257992), (44, 1847448), (48, 1693494), (54, 1505328), (66, 1231632), (72, 1128996), (81, 1003552), (88, 923724), (96, 846747), (99, 821088), (108, 752664), (132, 615816), (144, 564498), (162, 501776), (176, 461862), (198, 410544), (216, 376332), (264, 307908), (288, 282249), (297, 273696), (324, 250888), (352, 230931), (396, 205272), (432, 188166), (528, 153954), (594, 136848), (648, 125444), (792, 102636), (864, 94083), (891, 91232), (1056, 76977), (1188, 68424), (1296, 62722), (1584, 51318), (1782, 45616), (2376, 34212), (2592, 31361), (2851, 28512), (3168, 25659), (3564, 22808), (4752, 17106), (5702, 14256), (7128, 11404), (8553, 9504)]