205750080

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:581

約数の個数: 168

約数和(自身を含む): 713232000

約数和(自身を除く): 507481920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 199, 240, 288, 320, 359, 360, 398, 480, 576, 597, 718, 720, 796, 960, 995, 1077, 1194, 1436, 1440, 1592, 1791, 1795, 1990, 2154, 2388, 2872, 2880, 2985, 3184, 3231, 3582, 3590, 3980, 4308, 4776, 5385, 5744, 5970, 6368, 6462, 7164, 7180, 7960, 8616, 8955, 9552, 10770, 11488, 11940, 12736, 12924, 14328, 14360, 15920, 16155, 17232, 17910, 19104, 21540, 22976, 23880, 25848, 28656, 28720, 31840, 32310, 34464, 35820, 38208, 43080, 47760, 51696, 57312, 57440, 63680, 64620, 68928, 71441, 71640, 86160, 95520, 103392, 114624, 114880, 129240, 142882, 143280, 172320, 191040, 206784, 214323, 258480, 285764, 286560, 344640, 357205, 428646, 516960, 571528, 573120, 642969, 714410, 857292, 1033920, 1071615, 1143056, 1285938, 1428820, 1714584, 2143230, 2286112, 2571876, 2857640, 3214845, 3429168, 4286460, 4572224, 5143752, 5715280, 6429690, 6858336, 8572920, 10287504, 11430560, 12859380, 13716672, 17145840, 20575008, 22861120, 25718760, 34291680, 41150016, 51437520, 68583360, 102875040, 205750080]

約数ペア:

[(1, 205750080), (2, 102875040), (3, 68583360), (4, 51437520), (5, 41150016), (6, 34291680), (8, 25718760), (9, 22861120), (10, 20575008), (12, 17145840), (15, 13716672), (16, 12859380), (18, 11430560), (20, 10287504), (24, 8572920), (30, 6858336), (32, 6429690), (36, 5715280), (40, 5143752), (45, 4572224), (48, 4286460), (60, 3429168), (64, 3214845), (72, 2857640), (80, 2571876), (90, 2286112), (96, 2143230), (120, 1714584), (144, 1428820), (160, 1285938), (180, 1143056), (192, 1071615), (199, 1033920), (240, 857292), (288, 714410), (320, 642969), (359, 573120), (360, 571528), (398, 516960), (480, 428646), (576, 357205), (597, 344640), (718, 286560), (720, 285764), (796, 258480), (960, 214323), (995, 206784), (1077, 191040), (1194, 172320), (1436, 143280), (1440, 142882), (1592, 129240), (1791, 114880), (1795, 114624), (1990, 103392), (2154, 95520), (2388, 86160), (2872, 71640), (2880, 71441), (2985, 68928), (3184, 64620), (3231, 63680), (3582, 57440), (3590, 57312), (3980, 51696), (4308, 47760), (4776, 43080), (5385, 38208), (5744, 35820), (5970, 34464), (6368, 32310), (6462, 31840), (7164, 28720), (7180, 28656), (7960, 25848), (8616, 23880), (8955, 22976), (9552, 21540), (10770, 19104), (11488, 17910), (11940, 17232), (12736, 16155), (12924, 15920), (14328, 14360)]