75780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1$

素因数の和:436

約数の個数: 36

約数和(自身を含む): 230412

約数和(自身を除く): 154632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1263, 1684, 2105, 2526, 3789, 4210, 5052, 6315, 7578, 8420, 12630, 15156, 18945, 25260, 37890, 75780]

約数ペア:

[(1, 75780), (2, 37890), (3, 25260), (4, 18945), (5, 15156), (6, 12630), (9, 8420), (10, 7578), (12, 6315), (15, 5052), (18, 4210), (20, 3789), (30, 2526), (36, 2105), (45, 1684), (60, 1263), (90, 842), (180, 421)]