There are an infinite number of integers that are multiples of
324; they start:
324, 648, 972, 1296, 1620, 1944, 2268, 2592, 2916, 3240, 3564,
3888, 4212, 4536, 4860, 5184, 5508, 5832, 6156, 6480, 6804, 7128,
7452, 7776, 8100, 8424, 8748, 9072, 9396, 9720, 10044, 10368,
10692, 11016, 11340, 11664, 11988, 12312, 12636, 12960, 13284,
13608, 13932, 14256, 14580, 14904, 15228, 15552, 15876, 16200,
16524, 16848, 17172, 17496, 17820, 18144, 18468, 18792, 19116,
19440, 19764, 20088, 20412, 20736, 21060, 21384, 21708, 22032,
22356, 22680, 23004, 23328, 23652, 23976, 24300, 24624, 24948,
25272, 25596, 25920, 26244, 26568, 26892, 27216, 27540, 27864,
28188, 28512, 28836, 29160, 29484, 29808, 30132, 30456, 30780,
31104, 31428, 31752, 32076, 32400, ...