204387840

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{2957}}^1$

素因数の和:2989

約数の個数: 160

約数和(自身を含む): 726248160

約数和(自身を除く): 521860320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 2957, 3456, 3840, 4320, 4608, 5760, 5914, 6912, 7680, 8640, 8871, 11520, 11828, 13824, 14785, 17280, 17742, 23040, 23656, 26613, 29570, 34560, 35484, 44355, 47312, 53226, 59140, 69120, 70968, 79839, 88710, 94624, 106452, 118280, 133065, 141936, 159678, 177420, 189248, 212904, 236560, 266130, 283872, 319356, 354840, 378496, 399195, 425808, 473120, 532260, 567744, 638712, 709680, 756992, 798390, 851616, 946240, 1064520, 1135488, 1277424, 1419360, 1513984, 1596780, 1703232, 1892480, 2129040, 2270976, 2554848, 2838720, 3193560, 3406464, 3784960, 4258080, 4541952, 5109696, 5677440, 6387120, 6812928, 7569920, 8516160, 10219392, 11354880, 12774240, 13625856, 17032320, 20438784, 22709760, 25548480, 34064640, 40877568, 51096960, 68129280, 102193920, 204387840]

約数ペア:

[(1, 204387840), (2, 102193920), (3, 68129280), (4, 51096960), (5, 40877568), (6, 34064640), (8, 25548480), (9, 22709760), (10, 20438784), (12, 17032320), (15, 13625856), (16, 12774240), (18, 11354880), (20, 10219392), (24, 8516160), (27, 7569920), (30, 6812928), (32, 6387120), (36, 5677440), (40, 5109696), (45, 4541952), (48, 4258080), (54, 3784960), (60, 3406464), (64, 3193560), (72, 2838720), (80, 2554848), (90, 2270976), (96, 2129040), (108, 1892480), (120, 1703232), (128, 1596780), (135, 1513984), (144, 1419360), (160, 1277424), (180, 1135488), (192, 1064520), (216, 946240), (240, 851616), (256, 798390), (270, 756992), (288, 709680), (320, 638712), (360, 567744), (384, 532260), (432, 473120), (480, 425808), (512, 399195), (540, 378496), (576, 354840), (640, 319356), (720, 283872), (768, 266130), (864, 236560), (960, 212904), (1080, 189248), (1152, 177420), (1280, 159678), (1440, 141936), (1536, 133065), (1728, 118280), (1920, 106452), (2160, 94624), (2304, 88710), (2560, 79839), (2880, 70968), (2957, 69120), (3456, 59140), (3840, 53226), (4320, 47312), (4608, 44355), (5760, 35484), (5914, 34560), (6912, 29570), (7680, 26613), (8640, 23656), (8871, 23040), (11520, 17742), (11828, 17280), (13824, 14785)]