>>46
　594 × 27 = 16038,
　495 × 36 = 17820,
　402 × 39 = 15678,
　396 × 45 = 17820,
　715 × 46 = 32890,
　367 × 52 = 19084,
　297 × 54 = 16038,
　927 × 63 = 58401,
　345 × 78 = 26910,
９通り.