218843520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:905

約数の個数: 256

約数和(自身を含む): 840153600

約数和(自身を除く): 621310080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 532, 560, 570, 608, 640, 665, 672, 760, 798, 840, 857, 896, 912, 960, 1064, 1120, 1140, 1216, 1330, 1344, 1520, 1596, 1680, 1714, 1824, 1920, 1995, 2128, 2240, 2280, 2432, 2571, 2660, 2688, 3040, 3192, 3360, 3428, 3648, 3990, 4256, 4285, 4480, 4560, 5142, 5320, 5999, 6080, 6384, 6720, 6856, 7296, 7980, 8512, 8570, 9120, 10284, 10640, 11998, 12160, 12768, 12855, 13440, 13712, 15960, 16283, 17024, 17140, 17997, 18240, 20568, 21280, 23996, 25536, 25710, 27424, 29995, 31920, 32566, 34280, 35994, 36480, 41136, 42560, 47992, 48849, 51072, 51420, 54848, 59990, 63840, 65132, 68560, 71988, 81415, 82272, 85120, 89985, 95984, 97698, 102840, 109696, 113981, 119980, 127680, 130264, 137120, 143976, 162830, 164544, 179970, 191968, 195396, 205680, 227962, 239960, 244245, 255360, 260528, 274240, 287952, 325660, 329088, 341943, 359940, 383936, 390792, 411360, 455924, 479920, 488490, 521056, 548480, 569905, 575904, 651320, 683886, 719880, 767872, 781584, 822720, 911848, 959840, 976980, 1042112, 1139810, 1151808, 1302640, 1367772, 1439760, 1563168, 1645440, 1709715, 1823696, 1919680, 1953960, 2084224, 2279620, 2303616, 2605280, 2735544, 2879520, 3126336, 3419430, 3647392, 3839360, 3907920, 4559240, 5210560, 5471088, 5759040, 6252672, 6838860, 7294784, 7815840, 9118480, 10421120, 10942176, 11518080, 13677720, 14589568, 15631680, 18236960, 21884352, 27355440, 31263360, 36473920, 43768704, 54710880, 72947840, 109421760, 218843520]

約数ペア:

[(1, 218843520), (2, 109421760), (3, 72947840), (4, 54710880), (5, 43768704), (6, 36473920), (7, 31263360), (8, 27355440), (10, 21884352), (12, 18236960), (14, 15631680), (15, 14589568), (16, 13677720), (19, 11518080), (20, 10942176), (21, 10421120), (24, 9118480), (28, 7815840), (30, 7294784), (32, 6838860), (35, 6252672), (38, 5759040), (40, 5471088), (42, 5210560), (48, 4559240), (56, 3907920), (57, 3839360), (60, 3647392), (64, 3419430), (70, 3126336), (76, 2879520), (80, 2735544), (84, 2605280), (95, 2303616), (96, 2279620), (105, 2084224), (112, 1953960), (114, 1919680), (120, 1823696), (128, 1709715), (133, 1645440), (140, 1563168), (152, 1439760), (160, 1367772), (168, 1302640), (190, 1151808), (192, 1139810), (210, 1042112), (224, 976980), (228, 959840), (240, 911848), (266, 822720), (280, 781584), (285, 767872), (304, 719880), (320, 683886), (336, 651320), (380, 575904), (384, 569905), (399, 548480), (420, 521056), (448, 488490), (456, 479920), (480, 455924), (532, 411360), (560, 390792), (570, 383936), (608, 359940), (640, 341943), (665, 329088), (672, 325660), (760, 287952), (798, 274240), (840, 260528), (857, 255360), (896, 244245), (912, 239960), (960, 227962), (1064, 205680), (1120, 195396), (1140, 191968), (1216, 179970), (1330, 164544), (1344, 162830), (1520, 143976), (1596, 137120), (1680, 130264), (1714, 127680), (1824, 119980), (1920, 113981), (1995, 109696), (2128, 102840), (2240, 97698), (2280, 95984), (2432, 89985), (2571, 85120), (2660, 82272), (2688, 81415), (3040, 71988), (3192, 68560), (3360, 65132), (3428, 63840), (3648, 59990), (3990, 54848), (4256, 51420), (4285, 51072), (4480, 48849), (4560, 47992), (5142, 42560), (5320, 41136), (5999, 36480), (6080, 35994), (6384, 34280), (6720, 32566), (6856, 31920), (7296, 29995), (7980, 27424), (8512, 25710), (8570, 25536), (9120, 23996), (10284, 21280), (10640, 20568), (11998, 18240), (12160, 17997), (12768, 17140), (12855, 17024), (13440, 16283), (13712, 15960)]