270060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{643}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 865536

約数和(自身を除く): 595476

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, 643, 1286, 1929, 2572, 3215, 3858, 4501, 6430, 7716, 9002, 9645, 12860, 13503, 18004, 19290, 22505, 27006, 38580, 45010, 54012, 67515, 90020, 135030, 270060]

約数ペア:

[(1, 270060), (2, 135030), (3, 90020), (4, 67515), (5, 54012), (6, 45010), (7, 38580), (10, 27006), (12, 22505), (14, 19290), (15, 18004), (20, 13503), (21, 12860), (28, 9645), (30, 9002), (35, 7716), (42, 6430), (60, 4501), (70, 3858), (84, 3215), (105, 2572), (140, 1929), (210, 1286), (420, 643)]