15820504

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 36080640

約数和(自身を除く): 20260136

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 71, 92, 142, 161, 173, 184, 284, 322, 346, 497, 568, 644, 692, 994, 1211, 1288, 1384, 1633, 1988, 2422, 3266, 3976, 3979, 4844, 6532, 7958, 9688, 11431, 12283, 13064, 15916, 22862, 24566, 27853, 31832, 45724, 49132, 55706, 85981, 91448, 98264, 111412, 171962, 222824, 282509, 343924, 565018, 687848, 1130036, 1977563, 2260072, 3955126, 7910252, 15820504]

約数ペア:

[(1, 15820504), (2, 7910252), (4, 3955126), (7, 2260072), (8, 1977563), (14, 1130036), (23, 687848), (28, 565018), (46, 343924), (56, 282509), (71, 222824), (92, 171962), (142, 111412), (161, 98264), (173, 91448), (184, 85981), (284, 55706), (322, 49132), (346, 45724), (497, 31832), (568, 27853), (644, 24566), (692, 22862), (994, 15916), (1211, 13064), (1288, 12283), (1384, 11431), (1633, 9688), (1988, 7958), (2422, 6532), (3266, 4844), (3976, 3979)]