78947760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1559}}^1$

素因数の和:1786

約数の個数: 80

約数和(自身を含む): 246055680

約数和(自身を除く): 167107920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1559, 1688, 2110, 2532, 3118, 3165, 3376, 4220, 4677, 5064, 6236, 6330, 7795, 8440, 9354, 10128, 12472, 12660, 15590, 16880, 18708, 23385, 24944, 25320, 31180, 37416, 46770, 50640, 62360, 74832, 93540, 124720, 187080, 328949, 374160, 657898, 986847, 1315796, 1644745, 1973694, 2631592, 3289490, 3947388, 4934235, 5263184, 6578980, 7894776, 9868470, 13157960, 15789552, 19736940, 26315920, 39473880, 78947760]

約数ペア:

[(1, 78947760), (2, 39473880), (3, 26315920), (4, 19736940), (5, 15789552), (6, 13157960), (8, 9868470), (10, 7894776), (12, 6578980), (15, 5263184), (16, 4934235), (20, 3947388), (24, 3289490), (30, 2631592), (40, 1973694), (48, 1644745), (60, 1315796), (80, 986847), (120, 657898), (211, 374160), (240, 328949), (422, 187080), (633, 124720), (844, 93540), (1055, 74832), (1266, 62360), (1559, 50640), (1688, 46770), (2110, 37416), (2532, 31180), (3118, 25320), (3165, 24944), (3376, 23385), (4220, 18708), (4677, 16880), (5064, 15590), (6236, 12660), (6330, 12472), (7795, 10128), (8440, 9354)]