64887060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154493}}^1$

素因数の和:154512

約数の個数: 48

約数和(自身を含む): 207639936

約数和(自身を除く): 142752876

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, 154493, 308986, 463479, 617972, 772465, 926958, 1081451, 1544930, 1853916, 2162902, 2317395, 3089860, 3244353, 4325804, 4634790, 5407255, 6488706, 9269580, 10814510, 12977412, 16221765, 21629020, 32443530, 64887060]

約数ペア:

[(1, 64887060), (2, 32443530), (3, 21629020), (4, 16221765), (5, 12977412), (6, 10814510), (7, 9269580), (10, 6488706), (12, 5407255), (14, 4634790), (15, 4325804), (20, 3244353), (21, 3089860), (28, 2317395), (30, 2162902), (35, 1853916), (42, 1544930), (60, 1081451), (70, 926958), (84, 772465), (105, 617972), (140, 463479), (210, 308986), (420, 154493)]