20974740480

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2242

約数の個数: 352

約数和(自身を含む): 75625678080

約数和(自身を除く): 54650937600

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, 71, 72, 80, 90, 96, 108, 120, 128, 135, 142, 144, 160, 180, 192, 213, 216, 240, 256, 270, 284, 288, 320, 355, 360, 384, 426, 432, 480, 512, 540, 568, 576, 639, 640, 710, 720, 768, 852, 864, 960, 1024, 1065, 1080, 1136, 1152, 1278, 1280, 1420, 1440, 1536, 1704, 1728, 1917, 1920, 2130, 2137, 2160, 2272, 2304, 2556, 2560, 2840, 2880, 3072, 3195, 3408, 3456, 3834, 3840, 4260, 4274, 4320, 4544, 4608, 5112, 5120, 5680, 5760, 6390, 6411, 6816, 6912, 7668, 7680, 8520, 8548, 8640, 9088, 9216, 9585, 10224, 10685, 11360, 11520, 12780, 12822, 13632, 13824, 15336, 15360, 17040, 17096, 17280, 18176, 19170, 19233, 20448, 21370, 22720, 23040, 25560, 25644, 27264, 27648, 30672, 32055, 34080, 34192, 34560, 36352, 38340, 38466, 40896, 42740, 45440, 46080, 51120, 51288, 54528, 57699, 61344, 64110, 68160, 68384, 69120, 72704, 76680, 76932, 81792, 85480, 90880, 96165, 102240, 102576, 109056, 115398, 122688, 128220, 136320, 136768, 138240, 151727, 153360, 153864, 163584, 170960, 181760, 192330, 204480, 205152, 218112, 230796, 245376, 256440, 272640, 273536, 288495, 303454, 306720, 307728, 327168, 341920, 363520, 384660, 408960, 410304, 455181, 461592, 490752, 512880, 545280, 547072, 576990, 606908, 613440, 615456, 654336, 683840, 758635, 769320, 817920, 820608, 910362, 923184, 981504, 1025760, 1090560, 1094144, 1153980, 1213816, 1226880, 1230912, 1365543, 1367680, 1517270, 1538640, 1635840, 1641216, 1820724, 1846368, 1963008, 2051520, 2188288, 2275905, 2307960, 2427632, 2453760, 2461824, 2731086, 2735360, 3034540, 3077280, 3271680, 3282432, 3641448, 3692736, 4096629, 4103040, 4551810, 4615920, 4855264, 4907520, 4923648, 5462172, 5470720, 6069080, 6154560, 6564864, 6827715, 7282896, 7385472, 8193258, 8206080, 9103620, 9231840, 9710528, 9815040, 9847296, 10924344, 10941440, 12138160, 12309120, 13655430, 14565792, 14770944, 16386516, 16412160, 18207240, 18463680, 19421056, 19694592, 20483145, 21848688, 24276320, 24618240, 27310860, 29131584, 29541888, 32773032, 32824320, 36414480, 36927360, 38842112, 40966290, 43697376, 48552640, 49236480, 54621720, 58263168, 59083776, 65546064, 72828960, 73854720, 77684224, 81932580, 87394752, 97105280, 98472960, 109243440, 116526336, 131092128, 145657920, 147709440, 155368448, 163865160, 174789504, 194210560, 218486880, 233052672, 262184256, 291315840, 295418880, 327730320, 349579008, 388421120, 436973760, 466105344, 524368512, 582631680, 655460640, 699158016, 776842240, 873947520, 1048737024, 1165263360, 1310921280, 1398316032, 1747895040, 2097474048, 2330526720, 2621842560, 3495790080, 4194948096, 5243685120, 6991580160, 10487370240, 20974740480]

約数ペア:

[(1, 20974740480), (2, 10487370240), (3, 6991580160), (4, 5243685120), (5, 4194948096), (6, 3495790080), (8, 2621842560), (9, 2330526720), (10, 2097474048), (12, 1747895040), (15, 1398316032), (16, 1310921280), (18, 1165263360), (20, 1048737024), (24, 873947520), (27, 776842240), (30, 699158016), (32, 655460640), (36, 582631680), (40, 524368512), (45, 466105344), (48, 436973760), (54, 388421120), (60, 349579008), (64, 327730320), (71, 295418880), (72, 291315840), (80, 262184256), (90, 233052672), (96, 218486880), (108, 194210560), (120, 174789504), (128, 163865160), (135, 155368448), (142, 147709440), (144, 145657920), (160, 131092128), (180, 116526336), (192, 109243440), (213, 98472960), (216, 97105280), (240, 87394752), (256, 81932580), (270, 77684224), (284, 73854720), (288, 72828960), (320, 65546064), (355, 59083776), (360, 58263168), (384, 54621720), (426, 49236480), (432, 48552640), (480, 43697376), (512, 40966290), (540, 38842112), (568, 36927360), (576, 36414480), (639, 32824320), (640, 32773032), (710, 29541888), (720, 29131584), (768, 27310860), (852, 24618240), (864, 24276320), (960, 21848688), (1024, 20483145), (1065, 19694592), (1080, 19421056), (1136, 18463680), (1152, 18207240), (1278, 16412160), (1280, 16386516), (1420, 14770944), (1440, 14565792), (1536, 13655430), (1704, 12309120), (1728, 12138160), (1917, 10941440), (1920, 10924344), (2130, 9847296), (2137, 9815040), (2160, 9710528), (2272, 9231840), (2304, 9103620), (2556, 8206080), (2560, 8193258), (2840, 7385472), (2880, 7282896), (3072, 6827715), (3195, 6564864), (3408, 6154560), (3456, 6069080), (3834, 5470720), (3840, 5462172), (4260, 4923648), (4274, 4907520), (4320, 4855264), (4544, 4615920), (4608, 4551810), (5112, 4103040), (5120, 4096629), (5680, 3692736), (5760, 3641448), (6390, 3282432), (6411, 3271680), (6816, 3077280), (6912, 3034540), (7668, 2735360), (7680, 2731086), (8520, 2461824), (8548, 2453760), (8640, 2427632), (9088, 2307960), (9216, 2275905), (9585, 2188288), (10224, 2051520), (10685, 1963008), (11360, 1846368), (11520, 1820724), (12780, 1641216), (12822, 1635840), (13632, 1538640), (13824, 1517270), (15336, 1367680), (15360, 1365543), (17040, 1230912), (17096, 1226880), (17280, 1213816), (18176, 1153980), (19170, 1094144), (19233, 1090560), (20448, 1025760), (21370, 981504), (22720, 923184), (23040, 910362), (25560, 820608), (25644, 817920), (27264, 769320), (27648, 758635), (30672, 683840), (32055, 654336), (34080, 615456), (34192, 613440), (34560, 606908), (36352, 576990), (38340, 547072), (38466, 545280), (40896, 512880), (42740, 490752), (45440, 461592), (46080, 455181), (51120, 410304), (51288, 408960), (54528, 384660), (57699, 363520), (61344, 341920), (64110, 327168), (68160, 307728), (68384, 306720), (69120, 303454), (72704, 288495), (76680, 273536), (76932, 272640), (81792, 256440), (85480, 245376), (90880, 230796), (96165, 218112), (102240, 205152), (102576, 204480), (109056, 192330), (115398, 181760), (122688, 170960), (128220, 163584), (136320, 153864), (136768, 153360), (138240, 151727)]