16992780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40459}}^1$

素因数の和:40478

約数の個数: 48

約数和(自身を含む): 54378240

約数和(自身を除く): 37385460

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, 40459, 80918, 121377, 161836, 202295, 242754, 283213, 404590, 485508, 566426, 606885, 809180, 849639, 1132852, 1213770, 1416065, 1699278, 2427540, 2832130, 3398556, 4248195, 5664260, 8496390, 16992780]

約数ペア:

[(1, 16992780), (2, 8496390), (3, 5664260), (4, 4248195), (5, 3398556), (6, 2832130), (7, 2427540), (10, 1699278), (12, 1416065), (14, 1213770), (15, 1132852), (20, 849639), (21, 809180), (28, 606885), (30, 566426), (35, 485508), (42, 404590), (60, 283213), (70, 242754), (84, 202295), (105, 161836), (140, 121377), (210, 80918), (420, 40459)]