78404868

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{2011}}^1$

素因数の和:2062

約数の個数: 72

約数和(自身を含む): 214640160

約数和(自身を除く): 136235292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 684, 722, 1026, 1083, 1444, 2011, 2052, 2166, 3249, 4022, 4332, 6033, 6498, 8044, 9747, 12066, 12996, 18099, 19494, 24132, 36198, 38209, 38988, 54297, 72396, 76418, 108594, 114627, 152836, 217188, 229254, 343881, 458508, 687762, 725971, 1031643, 1375524, 1451942, 2063286, 2177913, 2903884, 4126572, 4355826, 6533739, 8711652, 13067478, 19601217, 26134956, 39202434, 78404868]

約数ペア:

[(1, 78404868), (2, 39202434), (3, 26134956), (4, 19601217), (6, 13067478), (9, 8711652), (12, 6533739), (18, 4355826), (19, 4126572), (27, 2903884), (36, 2177913), (38, 2063286), (54, 1451942), (57, 1375524), (76, 1031643), (108, 725971), (114, 687762), (171, 458508), (228, 343881), (342, 229254), (361, 217188), (513, 152836), (684, 114627), (722, 108594), (1026, 76418), (1083, 72396), (1444, 54297), (2011, 38988), (2052, 38209), (2166, 36198), (3249, 24132), (4022, 19494), (4332, 18099), (6033, 12996), (6498, 12066), (8044, 9747)]