54771780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{130409}}^1$

素因数の和:130428

約数の個数: 48

約数和(自身を含む): 175271040

約数和(自身を除く): 120499260

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, 130409, 260818, 391227, 521636, 652045, 782454, 912863, 1304090, 1564908, 1825726, 1956135, 2608180, 2738589, 3651452, 3912270, 4564315, 5477178, 7824540, 9128630, 10954356, 13692945, 18257260, 27385890, 54771780]

約数ペア:

[(1, 54771780), (2, 27385890), (3, 18257260), (4, 13692945), (5, 10954356), (6, 9128630), (7, 7824540), (10, 5477178), (12, 4564315), (14, 3912270), (15, 3651452), (20, 2738589), (21, 2608180), (28, 1956135), (30, 1825726), (35, 1564908), (42, 1304090), (60, 912863), (70, 782454), (84, 652045), (105, 521636), (140, 391227), (210, 260818), (420, 130409)]