27990060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66643}}^1$

素因数の和:66662

約数の個数: 48

約数和(自身を含む): 89569536

約数和(自身を除く): 61579476

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, 66643, 133286, 199929, 266572, 333215, 399858, 466501, 666430, 799716, 933002, 999645, 1332860, 1399503, 1866004, 1999290, 2332505, 2799006, 3998580, 4665010, 5598012, 6997515, 9330020, 13995030, 27990060]

約数ペア:

[(1, 27990060), (2, 13995030), (3, 9330020), (4, 6997515), (5, 5598012), (6, 4665010), (7, 3998580), (10, 2799006), (12, 2332505), (14, 1999290), (15, 1866004), (20, 1399503), (21, 1332860), (28, 999645), (30, 933002), (35, 799716), (42, 666430), (60, 466501), (70, 399858), (84, 333215), (105, 266572), (140, 199929), (210, 133286), (420, 66643)]