12678420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5711}}^1$

素因数の和:5760

約数の個数: 48

約数和(自身を含む): 36465408

約数和(自身を除く): 23786988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 5711, 11422, 17133, 22844, 28555, 34266, 57110, 68532, 85665, 114220, 171330, 211307, 342660, 422614, 633921, 845228, 1056535, 1267842, 2113070, 2535684, 3169605, 4226140, 6339210, 12678420]

約数ペア:

[(1, 12678420), (2, 6339210), (3, 4226140), (4, 3169605), (5, 2535684), (6, 2113070), (10, 1267842), (12, 1056535), (15, 845228), (20, 633921), (30, 422614), (37, 342660), (60, 211307), (74, 171330), (111, 114220), (148, 85665), (185, 68532), (222, 57110), (370, 34266), (444, 28555), (555, 22844), (740, 17133), (1110, 11422), (2220, 5711)]