1. An image pickup apparatus comprising: an image pickup unit configured to pick up an image of a subject and generate a plurality of pickup images; an orientation obtaining unit configured to set an image pickup position at a time of picking up one pickup image among the plurality of generated pickup images as a reference and obtain an orientation related to the pickup image; an image combining unit configured to combine the plurality of generated pickup images to generate a panoramic image; a representative position calculation unit configured to calculate a representative position in a horizontal direction in the generated panoramic image; an orientation calculation unit configured to calculate an orientation at the calculated representative position on the basis of characteristic information of the image pickup unit, the calculated representative position, and the obtained orientation; and a recording control unit configured to record the calculated orientation while being associated with the generated panoramic image.