81295860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1354931}}^1$

素因数の和:1354943

約数の個数: 24

約数和(自身を含む): 227628576

約数和(自身を除く): 146332716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1354931, 2709862, 4064793, 5419724, 6774655, 8129586, 13549310, 16259172, 20323965, 27098620, 40647930, 81295860]

約数ペア:

[(1, 81295860), (2, 40647930), (3, 27098620), (4, 20323965), (5, 16259172), (6, 13549310), (10, 8129586), (12, 6774655), (15, 5419724), (20, 4064793), (30, 2709862), (60, 1354931)]