81089904

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1499}}^1$

素因数の和:1547

約数の個数: 120

約数和(自身を含む): 254448000

約数和(自身を除く): 173358096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 49, 56, 69, 84, 92, 98, 112, 138, 147, 161, 168, 184, 196, 276, 294, 322, 336, 368, 392, 483, 552, 588, 644, 784, 966, 1104, 1127, 1176, 1288, 1499, 1932, 2254, 2352, 2576, 2998, 3381, 3864, 4497, 4508, 5996, 6762, 7728, 8994, 9016, 10493, 11992, 13524, 17988, 18032, 20986, 23984, 27048, 31479, 34477, 35976, 41972, 54096, 62958, 68954, 71952, 73451, 83944, 103431, 125916, 137908, 146902, 167888, 206862, 220353, 241339, 251832, 275816, 293804, 413724, 440706, 482678, 503664, 551632, 587608, 724017, 827448, 881412, 965356, 1175216, 1448034, 1654896, 1689373, 1762824, 1930712, 2896068, 3378746, 3525648, 3861424, 5068119, 5792136, 6757492, 10136238, 11584272, 13514984, 20272476, 27029968, 40544952, 81089904]

約数ペア:

[(1, 81089904), (2, 40544952), (3, 27029968), (4, 20272476), (6, 13514984), (7, 11584272), (8, 10136238), (12, 6757492), (14, 5792136), (16, 5068119), (21, 3861424), (23, 3525648), (24, 3378746), (28, 2896068), (42, 1930712), (46, 1762824), (48, 1689373), (49, 1654896), (56, 1448034), (69, 1175216), (84, 965356), (92, 881412), (98, 827448), (112, 724017), (138, 587608), (147, 551632), (161, 503664), (168, 482678), (184, 440706), (196, 413724), (276, 293804), (294, 275816), (322, 251832), (336, 241339), (368, 220353), (392, 206862), (483, 167888), (552, 146902), (588, 137908), (644, 125916), (784, 103431), (966, 83944), (1104, 73451), (1127, 71952), (1176, 68954), (1288, 62958), (1499, 54096), (1932, 41972), (2254, 35976), (2352, 34477), (2576, 31479), (2998, 27048), (3381, 23984), (3864, 20986), (4497, 18032), (4508, 17988), (5996, 13524), (6762, 11992), (7728, 10493), (8994, 9016)]