16720140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1459}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 47093760

約数和(自身を除く): 30373620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1459, 1910, 2292, 2865, 2918, 3820, 4377, 5730, 5836, 7295, 8754, 11460, 14590, 17508, 21885, 29180, 43770, 87540, 278669, 557338, 836007, 1114676, 1393345, 1672014, 2786690, 3344028, 4180035, 5573380, 8360070, 16720140]

約数ペア:

[(1, 16720140), (2, 8360070), (3, 5573380), (4, 4180035), (5, 3344028), (6, 2786690), (10, 1672014), (12, 1393345), (15, 1114676), (20, 836007), (30, 557338), (60, 278669), (191, 87540), (382, 43770), (573, 29180), (764, 21885), (955, 17508), (1146, 14590), (1459, 11460), (1910, 8754), (2292, 7295), (2865, 5836), (2918, 5730), (3820, 4377)]