678311680

素因数分解:

$2^8\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1601}}^1$

素因数の和:1953

約数の個数: 72

約数和(自身を含む): 1630695024

約数和(自身を除く): 952383344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 331, 640, 662, 1280, 1324, 1601, 1655, 2648, 3202, 3310, 5296, 6404, 6620, 8005, 10592, 12808, 13240, 16010, 21184, 25616, 26480, 32020, 42368, 51232, 52960, 64040, 84736, 102464, 105920, 128080, 204928, 211840, 256160, 409856, 423680, 512320, 529931, 1024640, 1059862, 2049280, 2119724, 2649655, 4239448, 5299310, 8478896, 10598620, 16957792, 21197240, 33915584, 42394480, 67831168, 84788960, 135662336, 169577920, 339155840, 678311680]

約数ペア:

[(1, 678311680), (2, 339155840), (4, 169577920), (5, 135662336), (8, 84788960), (10, 67831168), (16, 42394480), (20, 33915584), (32, 21197240), (40, 16957792), (64, 10598620), (80, 8478896), (128, 5299310), (160, 4239448), (256, 2649655), (320, 2119724), (331, 2049280), (640, 1059862), (662, 1024640), (1280, 529931), (1324, 512320), (1601, 423680), (1655, 409856), (2648, 256160), (3202, 211840), (3310, 204928), (5296, 128080), (6404, 105920), (6620, 102464), (8005, 84736), (10592, 64040), (12808, 52960), (13240, 51232), (16010, 42368), (21184, 32020), (25616, 26480)]