81685260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50423}}^1$

素因数の和:50444

約数の個数: 60

約数和(自身を含む): 256254768

約数和(自身を除く): 174569508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 50423, 100846, 151269, 201692, 252115, 302538, 453807, 504230, 605076, 756345, 907614, 1008460, 1361421, 1512690, 1815228, 2269035, 2722842, 3025380, 4084263, 4538070, 5445684, 6807105, 8168526, 9076140, 13614210, 16337052, 20421315, 27228420, 40842630, 81685260]

約数ペア:

[(1, 81685260), (2, 40842630), (3, 27228420), (4, 20421315), (5, 16337052), (6, 13614210), (9, 9076140), (10, 8168526), (12, 6807105), (15, 5445684), (18, 4538070), (20, 4084263), (27, 3025380), (30, 2722842), (36, 2269035), (45, 1815228), (54, 1512690), (60, 1361421), (81, 1008460), (90, 907614), (108, 756345), (135, 605076), (162, 504230), (180, 453807), (270, 302538), (324, 252115), (405, 201692), (540, 151269), (810, 100846), (1620, 50423)]