68712420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163601}}^1$

素因数の和:163620

約数の個数: 48

約数和(自身を含む): 219881088

約数和(自身を除く): 151168668

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, 163601, 327202, 490803, 654404, 818005, 981606, 1145207, 1636010, 1963212, 2290414, 2454015, 3272020, 3435621, 4580828, 4908030, 5726035, 6871242, 9816060, 11452070, 13742484, 17178105, 22904140, 34356210, 68712420]

約数ペア:

[(1, 68712420), (2, 34356210), (3, 22904140), (4, 17178105), (5, 13742484), (6, 11452070), (7, 9816060), (10, 6871242), (12, 5726035), (14, 4908030), (15, 4580828), (20, 3435621), (21, 3272020), (28, 2454015), (30, 2290414), (35, 1963212), (42, 1636010), (60, 1145207), (70, 981606), (84, 818005), (105, 654404), (140, 490803), (210, 327202), (420, 163601)]