68352880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 168873120

約数和(自身を除く): 100520240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 193, 233, 304, 380, 386, 466, 760, 772, 932, 965, 1165, 1520, 1544, 1864, 1930, 2330, 3088, 3667, 3728, 3860, 4427, 4660, 7334, 7720, 8854, 9320, 14668, 15440, 17708, 18335, 18640, 22135, 29336, 35416, 36670, 44270, 44969, 58672, 70832, 73340, 88540, 89938, 146680, 177080, 179876, 224845, 293360, 354160, 359752, 449690, 719504, 854411, 899380, 1708822, 1798760, 3417644, 3597520, 4272055, 6835288, 8544110, 13670576, 17088220, 34176440, 68352880]

約数ペア:

[(1, 68352880), (2, 34176440), (4, 17088220), (5, 13670576), (8, 8544110), (10, 6835288), (16, 4272055), (19, 3597520), (20, 3417644), (38, 1798760), (40, 1708822), (76, 899380), (80, 854411), (95, 719504), (152, 449690), (190, 359752), (193, 354160), (233, 293360), (304, 224845), (380, 179876), (386, 177080), (466, 146680), (760, 89938), (772, 88540), (932, 73340), (965, 70832), (1165, 58672), (1520, 44969), (1544, 44270), (1864, 36670), (1930, 35416), (2330, 29336), (3088, 22135), (3667, 18640), (3728, 18335), (3860, 17708), (4427, 15440), (4660, 14668), (7334, 9320), (7720, 8854)]