12738420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{70769}}^1$

素因数の和:70784

約数の個数: 36

約数和(自身を含む): 38640420

約数和(自身を除く): 25902000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 70769, 141538, 212307, 283076, 353845, 424614, 636921, 707690, 849228, 1061535, 1273842, 1415380, 2123070, 2547684, 3184605, 4246140, 6369210, 12738420]

約数ペア:

[(1, 12738420), (2, 6369210), (3, 4246140), (4, 3184605), (5, 2547684), (6, 2123070), (9, 1415380), (10, 1273842), (12, 1061535), (15, 849228), (18, 707690), (20, 636921), (30, 424614), (36, 353845), (45, 283076), (60, 212307), (90, 141538), (180, 70769)]