β

Μ

͵ϛωπ

२६८८०

٢٦٨٨٠

XXVMDCCCLXXX

二万六千八百八十

כו׳ תתפ

110100100000000

1100212120

12210000

1330010

1mg0

kqo

11011100100000000

2, 3, 5, 7

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880

71232

26880 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 7

26879

26881