77655280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1087}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 194273280

約数和(自身を除く): 116618000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1087, 1520, 1786, 1880, 2174, 3572, 3760, 4348, 4465, 5435, 7144, 8696, 8930, 10870, 14288, 17392, 17860, 20653, 21740, 35720, 41306, 43480, 51089, 71440, 82612, 86960, 102178, 103265, 165224, 204356, 206530, 255445, 330448, 408712, 413060, 510890, 817424, 826120, 970691, 1021780, 1652240, 1941382, 2043560, 3882764, 4087120, 4853455, 7765528, 9706910, 15531056, 19413820, 38827640, 77655280]

約数ペア:

[(1, 77655280), (2, 38827640), (4, 19413820), (5, 15531056), (8, 9706910), (10, 7765528), (16, 4853455), (19, 4087120), (20, 3882764), (38, 2043560), (40, 1941382), (47, 1652240), (76, 1021780), (80, 970691), (94, 826120), (95, 817424), (152, 510890), (188, 413060), (190, 408712), (235, 330448), (304, 255445), (376, 206530), (380, 204356), (470, 165224), (752, 103265), (760, 102178), (893, 86960), (940, 82612), (1087, 71440), (1520, 51089), (1786, 43480), (1880, 41306), (2174, 35720), (3572, 21740), (3760, 20653), (4348, 17860), (4465, 17392), (5435, 14288), (7144, 10870), (8696, 8930)]