Answer
Multiples of 1820 are:
1820, 3640, 5460, 7280, 9100, 10920, 12740, 14560, 16380, 18200, 20020, 21840, 23660, 25480, 27300, 29120, 30940, 32760, 34580, 36400, 38220, 40040, 41860, 43680, 45500, 47320, 49140, 50960, 52780, 54600, 56420, 58240, 60060, 61880, 63700, 65520, 67340, 69160, 70980, 72800, 74620, 76440, 78260, 80080, 81900, 83720, 85540, 87360, 89180
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