81179580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352993}}^1$

素因数の和:1353005

約数の個数: 24

約数和(自身を含む): 227302992

約数和(自身を除く): 146123412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352993, 2705986, 4058979, 5411972, 6764965, 8117958, 13529930, 16235916, 20294895, 27059860, 40589790, 81179580]

約数ペア:

[(1, 81179580), (2, 40589790), (3, 27059860), (4, 20294895), (5, 16235916), (6, 13529930), (10, 8117958), (12, 6764965), (15, 5411972), (20, 4058979), (30, 2705986), (60, 1352993)]