68486180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21269}}^1$

素因数の和:21308

約数の個数: 48

約数和(自身を含む): 171521280

約数和(自身を除く): 103035100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 21269, 42538, 85076, 106345, 148883, 212690, 297766, 425380, 489187, 595532, 744415, 978374, 1488830, 1956748, 2445935, 2977660, 3424309, 4891870, 6848618, 9783740, 13697236, 17121545, 34243090, 68486180]

約数ペア:

[(1, 68486180), (2, 34243090), (4, 17121545), (5, 13697236), (7, 9783740), (10, 6848618), (14, 4891870), (20, 3424309), (23, 2977660), (28, 2445935), (35, 1956748), (46, 1488830), (70, 978374), (92, 744415), (115, 595532), (140, 489187), (161, 425380), (230, 297766), (322, 212690), (460, 148883), (644, 106345), (805, 85076), (1610, 42538), (3220, 21269)]