205963920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{286061}}^1$

素因数の和:286080

約数の個数: 60

約数和(自身を含む): 691697916

約数和(自身を除く): 485733996

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, 286061, 572122, 858183, 1144244, 1430305, 1716366, 2288488, 2574549, 2860610, 3432732, 4290915, 4576976, 5149098, 5721220, 6865464, 8581830, 10298196, 11442440, 12872745, 13730928, 17163660, 20596392, 22884880, 25745490, 34327320, 41192784, 51490980, 68654640, 102981960, 205963920]

約数ペア:

[(1, 205963920), (2, 102981960), (3, 68654640), (4, 51490980), (5, 41192784), (6, 34327320), (8, 25745490), (9, 22884880), (10, 20596392), (12, 17163660), (15, 13730928), (16, 12872745), (18, 11442440), (20, 10298196), (24, 8581830), (30, 6865464), (36, 5721220), (40, 5149098), (45, 4576976), (48, 4290915), (60, 3432732), (72, 2860610), (80, 2574549), (90, 2288488), (120, 1716366), (144, 1430305), (180, 1144244), (240, 858183), (360, 572122), (720, 286061)]