68677140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163517}}^1$

素因数の和:163536

約数の個数: 48

約数和(自身を含む): 219768192

約数和(自身を除く): 151091052

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, 163517, 327034, 490551, 654068, 817585, 981102, 1144619, 1635170, 1962204, 2289238, 2452755, 3270340, 3433857, 4578476, 4905510, 5723095, 6867714, 9811020, 11446190, 13735428, 17169285, 22892380, 34338570, 68677140]

約数ペア:

[(1, 68677140), (2, 34338570), (3, 22892380), (4, 17169285), (5, 13735428), (6, 11446190), (7, 9811020), (10, 6867714), (12, 5723095), (14, 4905510), (15, 4578476), (20, 3433857), (21, 3270340), (28, 2452755), (30, 2289238), (35, 1962204), (42, 1635170), (60, 1144619), (70, 981102), (84, 817585), (105, 654068), (140, 490551), (210, 327034), (420, 163517)]