20187758080

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2543}}^1$

素因数の和:3016

約数の個数: 160

約数和(自身を含む): 55464735744

約数和(自身を除く): 35276977664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 443, 448, 512, 560, 640, 886, 896, 1120, 1280, 1772, 1792, 2215, 2240, 2543, 2560, 3101, 3544, 3584, 4430, 4480, 5086, 6202, 7088, 8860, 8960, 10172, 12404, 12715, 14176, 15505, 17720, 17801, 17920, 20344, 24808, 25430, 28352, 31010, 35440, 35602, 40688, 49616, 50860, 56704, 62020, 70880, 71204, 81376, 89005, 99232, 101720, 113408, 124040, 141760, 142408, 162752, 178010, 198464, 203440, 226816, 248080, 283520, 284816, 325504, 356020, 396928, 406880, 496160, 567040, 569632, 651008, 712040, 793856, 813760, 992320, 1126549, 1134080, 1139264, 1302016, 1424080, 1587712, 1627520, 1984640, 2253098, 2278528, 2848160, 3255040, 3969280, 4506196, 4557056, 5632745, 5696320, 6510080, 7885843, 7938560, 9012392, 9114112, 11265490, 11392640, 15771686, 18024784, 22530980, 22785280, 31543372, 36049568, 39429215, 45061960, 45570560, 63086744, 72099136, 78858430, 90123920, 126173488, 144198272, 157716860, 180247840, 252346976, 288396544, 315433720, 360495680, 504693952, 576793088, 630867440, 720991360, 1009387904, 1261734880, 1441982720, 2018775808, 2523469760, 2883965440, 4037551616, 5046939520, 10093879040, 20187758080]

約数ペア:

[(1, 20187758080), (2, 10093879040), (4, 5046939520), (5, 4037551616), (7, 2883965440), (8, 2523469760), (10, 2018775808), (14, 1441982720), (16, 1261734880), (20, 1009387904), (28, 720991360), (32, 630867440), (35, 576793088), (40, 504693952), (56, 360495680), (64, 315433720), (70, 288396544), (80, 252346976), (112, 180247840), (128, 157716860), (140, 144198272), (160, 126173488), (224, 90123920), (256, 78858430), (280, 72099136), (320, 63086744), (443, 45570560), (448, 45061960), (512, 39429215), (560, 36049568), (640, 31543372), (886, 22785280), (896, 22530980), (1120, 18024784), (1280, 15771686), (1772, 11392640), (1792, 11265490), (2215, 9114112), (2240, 9012392), (2543, 7938560), (2560, 7885843), (3101, 6510080), (3544, 5696320), (3584, 5632745), (4430, 4557056), (4480, 4506196), (5086, 3969280), (6202, 3255040), (7088, 2848160), (8860, 2278528), (8960, 2253098), (10172, 1984640), (12404, 1627520), (12715, 1587712), (14176, 1424080), (15505, 1302016), (17720, 1139264), (17801, 1134080), (17920, 1126549), (20344, 992320), (24808, 813760), (25430, 793856), (28352, 712040), (31010, 651008), (35440, 569632), (35602, 567040), (40688, 496160), (49616, 406880), (50860, 396928), (56704, 356020), (62020, 325504), (70880, 284816), (71204, 283520), (81376, 248080), (89005, 226816), (99232, 203440), (101720, 198464), (113408, 178010), (124040, 162752), (141760, 142408)]