68127780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162209}}^1$

素因数の和:162228

約数の個数: 48

約数和(自身を含む): 218010240

約数和(自身を除く): 149882460

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, 162209, 324418, 486627, 648836, 811045, 973254, 1135463, 1622090, 1946508, 2270926, 2433135, 3244180, 3406389, 4541852, 4866270, 5677315, 6812778, 9732540, 11354630, 13625556, 17031945, 22709260, 34063890, 68127780]

約数ペア:

[(1, 68127780), (2, 34063890), (3, 22709260), (4, 17031945), (5, 13625556), (6, 11354630), (7, 9732540), (10, 6812778), (12, 5677315), (14, 4866270), (15, 4541852), (20, 3406389), (21, 3244180), (28, 2433135), (30, 2270926), (35, 1946508), (42, 1622090), (60, 1135463), (70, 973254), (84, 811045), (105, 648836), (140, 486627), (210, 324418), (420, 162209)]