12657540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30137}}^1$

素因数の和:30156

約数の個数: 48

約数和(自身を含む): 40505472

約数和(自身を除く): 27847932

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, 30137, 60274, 90411, 120548, 150685, 180822, 210959, 301370, 361644, 421918, 452055, 602740, 632877, 843836, 904110, 1054795, 1265754, 1808220, 2109590, 2531508, 3164385, 4219180, 6328770, 12657540]

約数ペア:

[(1, 12657540), (2, 6328770), (3, 4219180), (4, 3164385), (5, 2531508), (6, 2109590), (7, 1808220), (10, 1265754), (12, 1054795), (14, 904110), (15, 843836), (20, 632877), (21, 602740), (28, 452055), (30, 421918), (35, 361644), (42, 301370), (60, 210959), (70, 180822), (84, 150685), (105, 120548), (140, 90411), (210, 60274), (420, 30137)]