81839580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1363993}}^1$

素因数の和:1364005

約数の個数: 24

約数和(自身を含む): 229150992

約数和(自身を除く): 147311412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1363993, 2727986, 4091979, 5455972, 6819965, 8183958, 13639930, 16367916, 20459895, 27279860, 40919790, 81839580]

約数ペア:

[(1, 81839580), (2, 40919790), (3, 27279860), (4, 20459895), (5, 16367916), (6, 13639930), (10, 8183958), (12, 6819965), (15, 5455972), (20, 4091979), (30, 2727986), (60, 1363993)]