Sort posts in admin in numeric order

Hi,

I’m making a site where all the post titles are numbers, and I would like to be able to sort them in ascending numeric order.

I’ve found this in admin/includes/post.php on line 832 in 2.9.1, and changed the order by title:

if ( isset($q['post_status']) && in_array( $q['post_status'], array_keys($post_stati) ) ) {
		$post_status_q = '&post_status=' . $q['post_status'];
		$post_status_q .= '&perm=readable';
	}

	if ( isset($q['post_status']) && 'pending' === $q['post_status'] ) {
		$order = 'ASC';
		$orderby = 'title';
	} elseif ( isset($q['post_status']) && 'draft' === $q['post_status'] ) {
		$order = 'ASC';
		$orderby = 'title';
	} else {
		$order = 'ASC';
		$orderby = 'title';
	}

But it doesn’t order the titles numerically.. I know of the sort() function, but I can’t figure out where to put it in order to sort the post-array..

Any help will be humbly appreciated!