31688190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{929}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 82695600

約数和(自身を除く): 51007410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 379, 758, 929, 1137, 1858, 1895, 2274, 2787, 3411, 3790, 4645, 5574, 5685, 6822, 8361, 9290, 11370, 13935, 16722, 17055, 27870, 34110, 41805, 83610, 352091, 704182, 1056273, 1760455, 2112546, 3168819, 3520910, 5281365, 6337638, 10562730, 15844095, 31688190]

約数ペア:

[(1, 31688190), (2, 15844095), (3, 10562730), (5, 6337638), (6, 5281365), (9, 3520910), (10, 3168819), (15, 2112546), (18, 1760455), (30, 1056273), (45, 704182), (90, 352091), (379, 83610), (758, 41805), (929, 34110), (1137, 27870), (1858, 17055), (1895, 16722), (2274, 13935), (2787, 11370), (3411, 9290), (3790, 8361), (4645, 6822), (5574, 5685)]