685221120

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{2203}}^1$

素因数の和:2239

約数の個数: 216

約数和(自身を含む): 2459716896

約数和(自身を除く): 1774495776

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2203, 2304, 2430, 2592, 2880, 3240, 3456, 3840, 3888, 4320, 4406, 4860, 5184, 5760, 6480, 6609, 6912, 7776, 8640, 8812, 9720, 10368, 11015, 11520, 12960, 13218, 15552, 17280, 17624, 19440, 19827, 20736, 22030, 25920, 26436, 31104, 33045, 34560, 35248, 38880, 39654, 44060, 51840, 52872, 59481, 62208, 66090, 70496, 77760, 79308, 88120, 99135, 103680, 105744, 118962, 132180, 140992, 155520, 158616, 176240, 178443, 198270, 211488, 237924, 264360, 281984, 297405, 311040, 317232, 352480, 356886, 396540, 422976, 475848, 528720, 535329, 563968, 594810, 634464, 704960, 713772, 793080, 845952, 892215, 951696, 1057440, 1070658, 1189620, 1268928, 1409920, 1427544, 1586160, 1691904, 1784430, 1903392, 2114880, 2141316, 2379240, 2537856, 2676645, 2819840, 2855088, 3172320, 3568860, 3806784, 4229760, 4282632, 4758480, 5075712, 5353290, 5710176, 6344640, 7137720, 7613568, 8459520, 8565264, 9516960, 10706580, 11420352, 12689280, 14275440, 15227136, 17130528, 19033920, 21413160, 22840704, 25378560, 28550880, 34261056, 38067840, 42826320, 45681408, 57101760, 68522112, 76135680, 85652640, 114203520, 137044224, 171305280, 228407040, 342610560, 685221120]

約数ペア:

[(1, 685221120), (2, 342610560), (3, 228407040), (4, 171305280), (5, 137044224), (6, 114203520), (8, 85652640), (9, 76135680), (10, 68522112), (12, 57101760), (15, 45681408), (16, 42826320), (18, 38067840), (20, 34261056), (24, 28550880), (27, 25378560), (30, 22840704), (32, 21413160), (36, 19033920), (40, 17130528), (45, 15227136), (48, 14275440), (54, 12689280), (60, 11420352), (64, 10706580), (72, 9516960), (80, 8565264), (81, 8459520), (90, 7613568), (96, 7137720), (108, 6344640), (120, 5710176), (128, 5353290), (135, 5075712), (144, 4758480), (160, 4282632), (162, 4229760), (180, 3806784), (192, 3568860), (216, 3172320), (240, 2855088), (243, 2819840), (256, 2676645), (270, 2537856), (288, 2379240), (320, 2141316), (324, 2114880), (360, 1903392), (384, 1784430), (405, 1691904), (432, 1586160), (480, 1427544), (486, 1409920), (540, 1268928), (576, 1189620), (640, 1070658), (648, 1057440), (720, 951696), (768, 892215), (810, 845952), (864, 793080), (960, 713772), (972, 704960), (1080, 634464), (1152, 594810), (1215, 563968), (1280, 535329), (1296, 528720), (1440, 475848), (1620, 422976), (1728, 396540), (1920, 356886), (1944, 352480), (2160, 317232), (2203, 311040), (2304, 297405), (2430, 281984), (2592, 264360), (2880, 237924), (3240, 211488), (3456, 198270), (3840, 178443), (3888, 176240), (4320, 158616), (4406, 155520), (4860, 140992), (5184, 132180), (5760, 118962), (6480, 105744), (6609, 103680), (6912, 99135), (7776, 88120), (8640, 79308), (8812, 77760), (9720, 70496), (10368, 66090), (11015, 62208), (11520, 59481), (12960, 52872), (13218, 51840), (15552, 44060), (17280, 39654), (17624, 38880), (19440, 35248), (19827, 34560), (20736, 33045), (22030, 31104), (25920, 26436)]