81285984

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7237}}^1$

素因数の和:7269

約数の個数: 96

約数和(自身を含む): 255356640

約数和(自身を除く): 174070656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1404, 1872, 2808, 3744, 5616, 7237, 11232, 14474, 21711, 28948, 43422, 57896, 65133, 86844, 94081, 115792, 130266, 173688, 188162, 195399, 231584, 260532, 282243, 347376, 376324, 390798, 521064, 564486, 694752, 752648, 781596, 846729, 1042128, 1128972, 1505296, 1563192, 1693458, 2084256, 2257944, 2540187, 3010592, 3126384, 3386916, 4515888, 5080374, 6252768, 6773832, 9031776, 10160748, 13547664, 20321496, 27095328, 40642992, 81285984]

約数ペア:

[(1, 81285984), (2, 40642992), (3, 27095328), (4, 20321496), (6, 13547664), (8, 10160748), (9, 9031776), (12, 6773832), (13, 6252768), (16, 5080374), (18, 4515888), (24, 3386916), (26, 3126384), (27, 3010592), (32, 2540187), (36, 2257944), (39, 2084256), (48, 1693458), (52, 1563192), (54, 1505296), (72, 1128972), (78, 1042128), (96, 846729), (104, 781596), (108, 752648), (117, 694752), (144, 564486), (156, 521064), (208, 390798), (216, 376324), (234, 347376), (288, 282243), (312, 260532), (351, 231584), (416, 195399), (432, 188162), (468, 173688), (624, 130266), (702, 115792), (864, 94081), (936, 86844), (1248, 65133), (1404, 57896), (1872, 43422), (2808, 28948), (3744, 21711), (5616, 14474), (7237, 11232)]