71328420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396269}}^1$

素因数の和:396284

約数の個数: 36

約数和(自身を含む): 216363420

約数和(自身を除く): 145035000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396269, 792538, 1188807, 1585076, 1981345, 2377614, 3566421, 3962690, 4755228, 5944035, 7132842, 7925380, 11888070, 14265684, 17832105, 23776140, 35664210, 71328420]

約数ペア:

[(1, 71328420), (2, 35664210), (3, 23776140), (4, 17832105), (5, 14265684), (6, 11888070), (9, 7925380), (10, 7132842), (12, 5944035), (15, 4755228), (18, 3962690), (20, 3566421), (30, 2377614), (36, 1981345), (45, 1585076), (60, 1188807), (90, 792538), (180, 396269)]