51259920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1559}}^1$

素因数の和:1712

約数の個数: 80

約数和(自身を含む): 160168320

約数和(自身を除く): 108908400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 1096, 1370, 1559, 1644, 2055, 2192, 2740, 3118, 3288, 4110, 4677, 5480, 6236, 6576, 7795, 8220, 9354, 10960, 12472, 15590, 16440, 18708, 23385, 24944, 31180, 32880, 37416, 46770, 62360, 74832, 93540, 124720, 187080, 213583, 374160, 427166, 640749, 854332, 1067915, 1281498, 1708664, 2135830, 2562996, 3203745, 3417328, 4271660, 5125992, 6407490, 8543320, 10251984, 12814980, 17086640, 25629960, 51259920]

約数ペア:

[(1, 51259920), (2, 25629960), (3, 17086640), (4, 12814980), (5, 10251984), (6, 8543320), (8, 6407490), (10, 5125992), (12, 4271660), (15, 3417328), (16, 3203745), (20, 2562996), (24, 2135830), (30, 1708664), (40, 1281498), (48, 1067915), (60, 854332), (80, 640749), (120, 427166), (137, 374160), (240, 213583), (274, 187080), (411, 124720), (548, 93540), (685, 74832), (822, 62360), (1096, 46770), (1370, 37416), (1559, 32880), (1644, 31180), (2055, 24944), (2192, 23385), (2740, 18708), (3118, 16440), (3288, 15590), (4110, 12472), (4677, 10960), (5480, 9354), (6236, 8220), (6576, 7795)]