638135280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{295433}}^1$

素因数の和:295455

約数の個数: 80

約数和(自身を含む): 2198028960

約数和(自身を除く): 1559893680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 295433, 590866, 886299, 1181732, 1477165, 1772598, 2363464, 2658897, 2954330, 3545196, 4431495, 4726928, 5317794, 5908660, 7090392, 7976691, 8862990, 10635588, 11817320, 13294485, 14180784, 15953382, 17725980, 21271176, 23634640, 26588970, 31906764, 35451960, 39883455, 42542352, 53177940, 63813528, 70903920, 79766910, 106355880, 127627056, 159533820, 212711760, 319067640, 638135280]

約数ペア:

[(1, 638135280), (2, 319067640), (3, 212711760), (4, 159533820), (5, 127627056), (6, 106355880), (8, 79766910), (9, 70903920), (10, 63813528), (12, 53177940), (15, 42542352), (16, 39883455), (18, 35451960), (20, 31906764), (24, 26588970), (27, 23634640), (30, 21271176), (36, 17725980), (40, 15953382), (45, 14180784), (48, 13294485), (54, 11817320), (60, 10635588), (72, 8862990), (80, 7976691), (90, 7090392), (108, 5908660), (120, 5317794), (135, 4726928), (144, 4431495), (180, 3545196), (216, 2954330), (240, 2658897), (270, 2363464), (360, 1772598), (432, 1477165), (540, 1181732), (720, 886299), (1080, 590866), (2160, 295433)]