204715440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1811}}^1$

素因数の和:1987

約数の個数: 120

約数和(自身を含む): 692263728

約数和(自身を除く): 487548288

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, 157, 180, 240, 314, 360, 471, 628, 720, 785, 942, 1256, 1413, 1570, 1811, 1884, 2355, 2512, 2826, 3140, 3622, 3768, 4710, 5433, 5652, 6280, 7065, 7244, 7536, 9055, 9420, 10866, 11304, 12560, 14130, 14488, 16299, 18110, 18840, 21732, 22608, 27165, 28260, 28976, 32598, 36220, 37680, 43464, 54330, 56520, 65196, 72440, 81495, 86928, 108660, 113040, 130392, 144880, 162990, 217320, 260784, 284327, 325980, 434640, 568654, 651960, 852981, 1137308, 1303920, 1421635, 1705962, 2274616, 2558943, 2843270, 3411924, 4264905, 4549232, 5117886, 5686540, 6823848, 8529810, 10235772, 11373080, 12794715, 13647696, 17059620, 20471544, 22746160, 25589430, 34119240, 40943088, 51178860, 68238480, 102357720, 204715440]

約数ペア:

[(1, 204715440), (2, 102357720), (3, 68238480), (4, 51178860), (5, 40943088), (6, 34119240), (8, 25589430), (9, 22746160), (10, 20471544), (12, 17059620), (15, 13647696), (16, 12794715), (18, 11373080), (20, 10235772), (24, 8529810), (30, 6823848), (36, 5686540), (40, 5117886), (45, 4549232), (48, 4264905), (60, 3411924), (72, 2843270), (80, 2558943), (90, 2274616), (120, 1705962), (144, 1421635), (157, 1303920), (180, 1137308), (240, 852981), (314, 651960), (360, 568654), (471, 434640), (628, 325980), (720, 284327), (785, 260784), (942, 217320), (1256, 162990), (1413, 144880), (1570, 130392), (1811, 113040), (1884, 108660), (2355, 86928), (2512, 81495), (2826, 72440), (3140, 65196), (3622, 56520), (3768, 54330), (4710, 43464), (5433, 37680), (5652, 36220), (6280, 32598), (7065, 28976), (7244, 28260), (7536, 27165), (9055, 22608), (9420, 21732), (10866, 18840), (11304, 18110), (12560, 16299), (14130, 14488)]