77661180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47939}}^1$

素因数の和:47960

約数の個数: 60

約数和(自身を含む): 243631080

約数和(自身を除く): 165969900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 47939, 95878, 143817, 191756, 239695, 287634, 431451, 479390, 575268, 719085, 862902, 958780, 1294353, 1438170, 1725804, 2157255, 2588706, 2876340, 3883059, 4314510, 5177412, 6471765, 7766118, 8629020, 12943530, 15532236, 19415295, 25887060, 38830590, 77661180]

約数ペア:

[(1, 77661180), (2, 38830590), (3, 25887060), (4, 19415295), (5, 15532236), (6, 12943530), (9, 8629020), (10, 7766118), (12, 6471765), (15, 5177412), (18, 4314510), (20, 3883059), (27, 2876340), (30, 2588706), (36, 2157255), (45, 1725804), (54, 1438170), (60, 1294353), (81, 958780), (90, 862902), (108, 719085), (135, 575268), (162, 479390), (180, 431451), (270, 287634), (324, 239695), (405, 191756), (540, 143817), (810, 95878), (1620, 47939)]