64436820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153421}}^1$

素因数の和:153440

約数の個数: 48

約数和(自身を含む): 206199168

約数和(自身を除く): 141762348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 153421, 306842, 460263, 613684, 767105, 920526, 1073947, 1534210, 1841052, 2147894, 2301315, 3068420, 3221841, 4295788, 4602630, 5369735, 6443682, 9205260, 10739470, 12887364, 16109205, 21478940, 32218410, 64436820]

約数ペア:

[(1, 64436820), (2, 32218410), (3, 21478940), (4, 16109205), (5, 12887364), (6, 10739470), (7, 9205260), (10, 6443682), (12, 5369735), (14, 4602630), (15, 4295788), (20, 3221841), (21, 3068420), (28, 2301315), (30, 2147894), (35, 1841052), (42, 1534210), (60, 1073947), (70, 920526), (84, 767105), (105, 613684), (140, 460263), (210, 306842), (420, 153421)]