205235280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285049}}^1$

素因数の和:285068

約数の個数: 60

約数和(自身を含む): 689250900

約数和(自身を除く): 484015620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 285049, 570098, 855147, 1140196, 1425245, 1710294, 2280392, 2565441, 2850490, 3420588, 4275735, 4560784, 5130882, 5700980, 6841176, 8551470, 10261764, 11401960, 12827205, 13682352, 17102940, 20523528, 22803920, 25654410, 34205880, 41047056, 51308820, 68411760, 102617640, 205235280]

約数ペア:

[(1, 205235280), (2, 102617640), (3, 68411760), (4, 51308820), (5, 41047056), (6, 34205880), (8, 25654410), (9, 22803920), (10, 20523528), (12, 17102940), (15, 13682352), (16, 12827205), (18, 11401960), (20, 10261764), (24, 8551470), (30, 6841176), (36, 5700980), (40, 5130882), (45, 4560784), (48, 4275735), (60, 3420588), (72, 2850490), (80, 2565441), (90, 2280392), (120, 1710294), (144, 1425245), (180, 1140196), (240, 855147), (360, 570098), (720, 285049)]