1620781260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3859003}}^1$

素因数の和:3859022

約数の個数: 48

約数和(自身を含む): 5186501376

約数和(自身を除く): 3565720116

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, 3859003, 7718006, 11577009, 15436012, 19295015, 23154018, 27013021, 38590030, 46308036, 54026042, 57885045, 77180060, 81039063, 108052084, 115770090, 135065105, 162078126, 231540180, 270130210, 324156252, 405195315, 540260420, 810390630, 1620781260]

約数ペア:

[(1, 1620781260), (2, 810390630), (3, 540260420), (4, 405195315), (5, 324156252), (6, 270130210), (7, 231540180), (10, 162078126), (12, 135065105), (14, 115770090), (15, 108052084), (20, 81039063), (21, 77180060), (28, 57885045), (30, 54026042), (35, 46308036), (42, 38590030), (60, 27013021), (70, 23154018), (84, 19295015), (105, 15436012), (140, 11577009), (210, 7718006), (420, 3859003)]