131310312

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2055

約数の個数: 128

約数和(自身を含む): 414720000

約数和(自身を除く): 283409688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 23, 24, 28, 34, 42, 46, 51, 56, 68, 69, 84, 92, 102, 119, 136, 138, 161, 168, 184, 204, 238, 276, 322, 357, 391, 408, 476, 483, 552, 644, 714, 782, 952, 966, 1173, 1288, 1428, 1564, 1932, 1999, 2346, 2737, 2856, 3128, 3864, 3998, 4692, 5474, 5997, 7996, 8211, 9384, 10948, 11994, 13993, 15992, 16422, 21896, 23988, 27986, 32844, 33983, 41979, 45977, 47976, 55972, 65688, 67966, 83958, 91954, 101949, 111944, 135932, 137931, 167916, 183908, 203898, 237881, 271864, 275862, 321839, 335832, 367816, 407796, 475762, 551724, 643678, 713643, 781609, 815592, 951524, 965517, 1103448, 1287356, 1427286, 1563218, 1903048, 1931034, 2344827, 2574712, 2854572, 3126436, 3862068, 4689654, 5471263, 5709144, 6252872, 7724136, 9379308, 10942526, 16413789, 18758616, 21885052, 32827578, 43770104, 65655156, 131310312]

約数ペア:

[(1, 131310312), (2, 65655156), (3, 43770104), (4, 32827578), (6, 21885052), (7, 18758616), (8, 16413789), (12, 10942526), (14, 9379308), (17, 7724136), (21, 6252872), (23, 5709144), (24, 5471263), (28, 4689654), (34, 3862068), (42, 3126436), (46, 2854572), (51, 2574712), (56, 2344827), (68, 1931034), (69, 1903048), (84, 1563218), (92, 1427286), (102, 1287356), (119, 1103448), (136, 965517), (138, 951524), (161, 815592), (168, 781609), (184, 713643), (204, 643678), (238, 551724), (276, 475762), (322, 407796), (357, 367816), (391, 335832), (408, 321839), (476, 275862), (483, 271864), (552, 237881), (644, 203898), (714, 183908), (782, 167916), (952, 137931), (966, 135932), (1173, 111944), (1288, 101949), (1428, 91954), (1564, 83958), (1932, 67966), (1999, 65688), (2346, 55972), (2737, 47976), (2856, 45977), (3128, 41979), (3864, 33983), (3998, 32844), (4692, 27986), (5474, 23988), (5997, 21896), (7996, 16422), (8211, 15992), (9384, 13993), (10948, 11994)]