β

Μ

͵ηϡπ

२८९८०

٢٨٩٨٠

XXVMMMCMLXXX

二万八千九百八十

כח׳ תתקפ

111000100110100

1110202100

13010310

1411410

3c90

227c

md0

11011000101110100

2, 3, 5, 7, 23

1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2898, 3220, 4140, 4830, 5796, 7245, 9660, 14490, 28980

75852

28980 = 2 x 2 x 3 x 3 x 5 x 7 x 23

28979

29009