165218340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{393377}}^1$

素因数の和:393396

約数の個数: 48

約数和(自身を含む): 528700032

約数和(自身を除く): 363481692

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, 393377, 786754, 1180131, 1573508, 1966885, 2360262, 2753639, 3933770, 4720524, 5507278, 5900655, 7867540, 8260917, 11014556, 11801310, 13768195, 16521834, 23602620, 27536390, 33043668, 41304585, 55072780, 82609170, 165218340]

約数ペア:

[(1, 165218340), (2, 82609170), (3, 55072780), (4, 41304585), (5, 33043668), (6, 27536390), (7, 23602620), (10, 16521834), (12, 13768195), (14, 11801310), (15, 11014556), (20, 8260917), (21, 7867540), (28, 5900655), (30, 5507278), (35, 4720524), (42, 3933770), (60, 2753639), (70, 2360262), (84, 1966885), (105, 1573508), (140, 1180131), (210, 786754), (420, 393377)]