1287774720

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:664

約数の個数: 320

約数和(自身を含む): 4729697280

約数和(自身を除く): 3441922560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 256, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 512, 540, 558, 576, 601, 620, 640, 720, 744, 768, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1202, 1240, 1280, 1395, 1440, 1488, 1536, 1674, 1728, 1803, 1860, 1920, 1984, 2160, 2232, 2304, 2404, 2480, 2560, 2790, 2880, 2976, 3005, 3348, 3456, 3606, 3720, 3840, 3968, 4185, 4320, 4464, 4608, 4808, 4960, 5409, 5580, 5760, 5952, 6010, 6696, 6912, 7212, 7440, 7680, 7936, 8370, 8640, 8928, 9015, 9616, 9920, 10818, 11160, 11520, 11904, 12020, 13392, 13824, 14424, 14880, 15872, 16227, 16740, 17280, 17856, 18030, 18631, 19232, 19840, 21636, 22320, 23040, 23808, 24040, 26784, 27045, 28848, 29760, 32454, 33480, 34560, 35712, 36060, 37262, 38464, 39680, 43272, 44640, 47616, 48080, 53568, 54090, 55893, 57696, 59520, 64908, 66960, 69120, 71424, 72120, 74524, 76928, 79360, 81135, 86544, 89280, 93155, 96160, 107136, 108180, 111786, 115392, 119040, 129816, 133920, 142848, 144240, 149048, 153856, 162270, 167679, 173088, 178560, 186310, 192320, 214272, 216360, 223572, 230784, 238080, 259632, 267840, 279465, 288480, 298096, 307712, 324540, 335358, 346176, 357120, 372620, 384640, 428544, 432720, 447144, 461568, 503037, 519264, 535680, 558930, 576960, 596192, 649080, 670716, 692352, 714240, 745240, 769280, 838395, 865440, 894288, 923136, 1006074, 1038528, 1071360, 1117860, 1153920, 1192384, 1298160, 1341432, 1384704, 1490480, 1538560, 1676790, 1730880, 1788576, 2012148, 2077056, 2142720, 2235720, 2307840, 2384768, 2515185, 2596320, 2682864, 2769408, 2980960, 3353580, 3461760, 3577152, 4024296, 4154112, 4471440, 4615680, 4769536, 5030370, 5192640, 5365728, 5961920, 6707160, 6923520, 7154304, 8048592, 8308224, 8942880, 9539072, 10060740, 10385280, 10731456, 11923840, 13414320, 13847040, 14308608, 16097184, 17885760, 20121480, 20770560, 21462912, 23847680, 26828640, 28617216, 32194368, 35771520, 40242960, 41541120, 42925824, 47695360, 53657280, 64388736, 71543040, 80485920, 85851648, 107314560, 128777472, 143086080, 160971840, 214629120, 257554944, 321943680, 429258240, 643887360, 1287774720]

約数ペア:

[(1, 1287774720), (2, 643887360), (3, 429258240), (4, 321943680), (5, 257554944), (6, 214629120), (8, 160971840), (9, 143086080), (10, 128777472), (12, 107314560), (15, 85851648), (16, 80485920), (18, 71543040), (20, 64388736), (24, 53657280), (27, 47695360), (30, 42925824), (31, 41541120), (32, 40242960), (36, 35771520), (40, 32194368), (45, 28617216), (48, 26828640), (54, 23847680), (60, 21462912), (62, 20770560), (64, 20121480), (72, 17885760), (80, 16097184), (90, 14308608), (93, 13847040), (96, 13414320), (108, 11923840), (120, 10731456), (124, 10385280), (128, 10060740), (135, 9539072), (144, 8942880), (155, 8308224), (160, 8048592), (180, 7154304), (186, 6923520), (192, 6707160), (216, 5961920), (240, 5365728), (248, 5192640), (256, 5030370), (270, 4769536), (279, 4615680), (288, 4471440), (310, 4154112), (320, 4024296), (360, 3577152), (372, 3461760), (384, 3353580), (432, 2980960), (465, 2769408), (480, 2682864), (496, 2596320), (512, 2515185), (540, 2384768), (558, 2307840), (576, 2235720), (601, 2142720), (620, 2077056), (640, 2012148), (720, 1788576), (744, 1730880), (768, 1676790), (837, 1538560), (864, 1490480), (930, 1384704), (960, 1341432), (992, 1298160), (1080, 1192384), (1116, 1153920), (1152, 1117860), (1202, 1071360), (1240, 1038528), (1280, 1006074), (1395, 923136), (1440, 894288), (1488, 865440), (1536, 838395), (1674, 769280), (1728, 745240), (1803, 714240), (1860, 692352), (1920, 670716), (1984, 649080), (2160, 596192), (2232, 576960), (2304, 558930), (2404, 535680), (2480, 519264), (2560, 503037), (2790, 461568), (2880, 447144), (2976, 432720), (3005, 428544), (3348, 384640), (3456, 372620), (3606, 357120), (3720, 346176), (3840, 335358), (3968, 324540), (4185, 307712), (4320, 298096), (4464, 288480), (4608, 279465), (4808, 267840), (4960, 259632), (5409, 238080), (5580, 230784), (5760, 223572), (5952, 216360), (6010, 214272), (6696, 192320), (6912, 186310), (7212, 178560), (7440, 173088), (7680, 167679), (7936, 162270), (8370, 153856), (8640, 149048), (8928, 144240), (9015, 142848), (9616, 133920), (9920, 129816), (10818, 119040), (11160, 115392), (11520, 111786), (11904, 108180), (12020, 107136), (13392, 96160), (13824, 93155), (14424, 89280), (14880, 86544), (15872, 81135), (16227, 79360), (16740, 76928), (17280, 74524), (17856, 72120), (18030, 71424), (18631, 69120), (19232, 66960), (19840, 64908), (21636, 59520), (22320, 57696), (23040, 55893), (23808, 54090), (24040, 53568), (26784, 48080), (27045, 47616), (28848, 44640), (29760, 43272), (32454, 39680), (33480, 38464), (34560, 37262), (35712, 36060)]