71689140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398273}}^1$

素因数の和:398288

約数の個数: 36

約数和(自身を含む): 217457604

約数和(自身を除く): 145768464

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398273, 796546, 1194819, 1593092, 1991365, 2389638, 3584457, 3982730, 4779276, 5974095, 7168914, 7965460, 11948190, 14337828, 17922285, 23896380, 35844570, 71689140]

約数ペア:

[(1, 71689140), (2, 35844570), (3, 23896380), (4, 17922285), (5, 14337828), (6, 11948190), (9, 7965460), (10, 7168914), (12, 5974095), (15, 4779276), (18, 3982730), (20, 3584457), (30, 2389638), (36, 1991365), (45, 1593092), (60, 1194819), (90, 796546), (180, 398273)]