82890780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197359}}^1$

素因数の和:197378

約数の個数: 48

約数和(自身を含む): 265251840

約数和(自身を除く): 182361060

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, 197359, 394718, 592077, 789436, 986795, 1184154, 1381513, 1973590, 2368308, 2763026, 2960385, 3947180, 4144539, 5526052, 5920770, 6907565, 8289078, 11841540, 13815130, 16578156, 20722695, 27630260, 41445390, 82890780]

約数ペア:

[(1, 82890780), (2, 41445390), (3, 27630260), (4, 20722695), (5, 16578156), (6, 13815130), (7, 11841540), (10, 8289078), (12, 6907565), (14, 5920770), (15, 5526052), (20, 4144539), (21, 3947180), (28, 2960385), (30, 2763026), (35, 2368308), (42, 1973590), (60, 1381513), (70, 1184154), (84, 986795), (105, 789436), (140, 592077), (210, 394718), (420, 197359)]