71989260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171403}}^1$

素因数の和:171422

約数の個数: 48

約数和(自身を含む): 230366976

約数和(自身を除く): 158377716

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, 171403, 342806, 514209, 685612, 857015, 1028418, 1199821, 1714030, 2056836, 2399642, 2571045, 3428060, 3599463, 4799284, 5142090, 5999105, 7198926, 10284180, 11998210, 14397852, 17997315, 23996420, 35994630, 71989260]

約数ペア:

[(1, 71989260), (2, 35994630), (3, 23996420), (4, 17997315), (5, 14397852), (6, 11998210), (7, 10284180), (10, 7198926), (12, 5999105), (14, 5142090), (15, 4799284), (20, 3599463), (21, 3428060), (28, 2571045), (30, 2399642), (35, 2056836), (42, 1714030), (60, 1199821), (70, 1028418), (84, 857015), (105, 685612), (140, 514209), (210, 342806), (420, 171403)]