81818460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{454547}}^1$

素因数の和:454562

約数の個数: 36

約数和(自身を含む): 248183208

約数和(自身を除く): 166364748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 454547, 909094, 1363641, 1818188, 2272735, 2727282, 4090923, 4545470, 5454564, 6818205, 8181846, 9090940, 13636410, 16363692, 20454615, 27272820, 40909230, 81818460]

約数ペア:

[(1, 81818460), (2, 40909230), (3, 27272820), (4, 20454615), (5, 16363692), (6, 13636410), (9, 9090940), (10, 8181846), (12, 6818205), (15, 5454564), (18, 4545470), (20, 4090923), (30, 2727282), (36, 2272735), (45, 1818188), (60, 1363641), (90, 909094), (180, 454547)]