78420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1307}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 219744

約数和(自身を除く): 141324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1307, 2614, 3921, 5228, 6535, 7842, 13070, 15684, 19605, 26140, 39210, 78420]

約数ペア:

[(1, 78420), (2, 39210), (3, 26140), (4, 19605), (5, 15684), (6, 13070), (10, 7842), (12, 6535), (15, 5228), (20, 3921), (30, 2614), (60, 1307)]