56787780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{135209}}^1$

素因数の和:135228

約数の個数: 48

約数和(自身を含む): 181722240

約数和(自身を除く): 124934460

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, 135209, 270418, 405627, 540836, 676045, 811254, 946463, 1352090, 1622508, 1892926, 2028135, 2704180, 2839389, 3785852, 4056270, 4732315, 5678778, 8112540, 9464630, 11357556, 14196945, 18929260, 28393890, 56787780]

約数ペア:

[(1, 56787780), (2, 28393890), (3, 18929260), (4, 14196945), (5, 11357556), (6, 9464630), (7, 8112540), (10, 5678778), (12, 4732315), (14, 4056270), (15, 3785852), (20, 2839389), (21, 2704180), (28, 2028135), (30, 1892926), (35, 1622508), (42, 1352090), (60, 946463), (70, 811254), (84, 676045), (105, 540836), (140, 405627), (210, 270418), (420, 135209)]