69885040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2054

約数の個数: 80

約数和(自身を含む): 178560000

約数和(自身を除く): 108674960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 1999, 2185, 3496, 3998, 4370, 6992, 7996, 8740, 9995, 15992, 17480, 19990, 31984, 34960, 37981, 39980, 45977, 75962, 79960, 91954, 151924, 159920, 183908, 189905, 229885, 303848, 367816, 379810, 459770, 607696, 735632, 759620, 873563, 919540, 1519240, 1747126, 1839080, 3038480, 3494252, 3678160, 4367815, 6988504, 8735630, 13977008, 17471260, 34942520, 69885040]

約数ペア:

[(1, 69885040), (2, 34942520), (4, 17471260), (5, 13977008), (8, 8735630), (10, 6988504), (16, 4367815), (19, 3678160), (20, 3494252), (23, 3038480), (38, 1839080), (40, 1747126), (46, 1519240), (76, 919540), (80, 873563), (92, 759620), (95, 735632), (115, 607696), (152, 459770), (184, 379810), (190, 367816), (230, 303848), (304, 229885), (368, 189905), (380, 183908), (437, 159920), (460, 151924), (760, 91954), (874, 79960), (920, 75962), (1520, 45977), (1748, 39980), (1840, 37981), (1999, 34960), (2185, 31984), (3496, 19990), (3998, 17480), (4370, 15992), (6992, 9995), (7996, 8740)]