81464640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{84859}}^1$

素因数の和:84879

約数の個数: 56

約数和(自身を含む): 258653280

約数和(自身を除く): 177188640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 84859, 169718, 254577, 339436, 424295, 509154, 678872, 848590, 1018308, 1272885, 1357744, 1697180, 2036616, 2545770, 2715488, 3394360, 4073232, 5091540, 5430976, 6788720, 8146464, 10183080, 13577440, 16292928, 20366160, 27154880, 40732320, 81464640]

約数ペア:

[(1, 81464640), (2, 40732320), (3, 27154880), (4, 20366160), (5, 16292928), (6, 13577440), (8, 10183080), (10, 8146464), (12, 6788720), (15, 5430976), (16, 5091540), (20, 4073232), (24, 3394360), (30, 2715488), (32, 2545770), (40, 2036616), (48, 1697180), (60, 1357744), (64, 1272885), (80, 1018308), (96, 848590), (120, 678872), (160, 509154), (192, 424295), (240, 339436), (320, 254577), (480, 169718), (960, 84859)]