67395280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 166953600

約数和(自身を除く): 99558320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 101, 152, 190, 202, 304, 380, 404, 439, 505, 760, 808, 878, 1010, 1520, 1616, 1756, 1919, 2020, 2195, 3512, 3838, 4040, 4390, 7024, 7676, 8080, 8341, 8780, 9595, 15352, 16682, 17560, 19190, 30704, 33364, 35120, 38380, 41705, 44339, 66728, 76760, 83410, 88678, 133456, 153520, 166820, 177356, 221695, 333640, 354712, 443390, 667280, 709424, 842441, 886780, 1684882, 1773560, 3369764, 3547120, 4212205, 6739528, 8424410, 13479056, 16848820, 33697640, 67395280]

約数ペア:

[(1, 67395280), (2, 33697640), (4, 16848820), (5, 13479056), (8, 8424410), (10, 6739528), (16, 4212205), (19, 3547120), (20, 3369764), (38, 1773560), (40, 1684882), (76, 886780), (80, 842441), (95, 709424), (101, 667280), (152, 443390), (190, 354712), (202, 333640), (304, 221695), (380, 177356), (404, 166820), (439, 153520), (505, 133456), (760, 88678), (808, 83410), (878, 76760), (1010, 66728), (1520, 44339), (1616, 41705), (1756, 38380), (1919, 35120), (2020, 33364), (2195, 30704), (3512, 19190), (3838, 17560), (4040, 16682), (4390, 15352), (7024, 9595), (7676, 8780), (8080, 8341)]