27916140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66467}}^1$

素因数の和:66486

約数の個数: 48

約数和(自身を含む): 89332992

約数和(自身を除く): 61416852

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, 66467, 132934, 199401, 265868, 332335, 398802, 465269, 664670, 797604, 930538, 997005, 1329340, 1395807, 1861076, 1994010, 2326345, 2791614, 3988020, 4652690, 5583228, 6979035, 9305380, 13958070, 27916140]

約数ペア:

[(1, 27916140), (2, 13958070), (3, 9305380), (4, 6979035), (5, 5583228), (6, 4652690), (7, 3988020), (10, 2791614), (12, 2326345), (14, 1994010), (15, 1861076), (20, 1395807), (21, 1329340), (28, 997005), (30, 930538), (35, 797604), (42, 664670), (60, 465269), (70, 398802), (84, 332335), (105, 265868), (140, 199401), (210, 132934), (420, 66467)]