71649540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398053}}^1$

素因数の和:398068

約数の個数: 36

約数和(自身を含む): 217337484

約数和(自身を除く): 145687944

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398053, 796106, 1194159, 1592212, 1990265, 2388318, 3582477, 3980530, 4776636, 5970795, 7164954, 7961060, 11941590, 14329908, 17912385, 23883180, 35824770, 71649540]

約数ペア:

[(1, 71649540), (2, 35824770), (3, 23883180), (4, 17912385), (5, 14329908), (6, 11941590), (9, 7961060), (10, 7164954), (12, 5970795), (15, 4776636), (18, 3980530), (20, 3582477), (30, 2388318), (36, 1990265), (45, 1592212), (60, 1194159), (90, 796106), (180, 398053)]