51612540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122887}}^1$

素因数の和:122906

約数の個数: 48

約数和(自身を含む): 165161472

約数和(自身を除く): 113548932

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, 122887, 245774, 368661, 491548, 614435, 737322, 860209, 1228870, 1474644, 1720418, 1843305, 2457740, 2580627, 3440836, 3686610, 4301045, 5161254, 7373220, 8602090, 10322508, 12903135, 17204180, 25806270, 51612540]

約数ペア:

[(1, 51612540), (2, 25806270), (3, 17204180), (4, 12903135), (5, 10322508), (6, 8602090), (7, 7373220), (10, 5161254), (12, 4301045), (14, 3686610), (15, 3440836), (20, 2580627), (21, 2457740), (28, 1843305), (30, 1720418), (35, 1474644), (42, 1228870), (60, 860209), (70, 737322), (84, 614435), (105, 491548), (140, 368661), (210, 245774), (420, 122887)]