19975372800

素因数分解:

$2^{21}\times 3^1\times 5^2\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 264

約数和(自身を含む): 66571977216

約数和(自身を除く): 46596604416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 127, 128, 150, 160, 192, 200, 240, 254, 256, 300, 320, 381, 384, 400, 480, 508, 512, 600, 635, 640, 762, 768, 800, 960, 1016, 1024, 1200, 1270, 1280, 1524, 1536, 1600, 1905, 1920, 2032, 2048, 2400, 2540, 2560, 3048, 3072, 3175, 3200, 3810, 3840, 4064, 4096, 4800, 5080, 5120, 6096, 6144, 6350, 6400, 7620, 7680, 8128, 8192, 9525, 9600, 10160, 10240, 12192, 12288, 12700, 12800, 15240, 15360, 16256, 16384, 19050, 19200, 20320, 20480, 24384, 24576, 25400, 25600, 30480, 30720, 32512, 32768, 38100, 38400, 40640, 40960, 48768, 49152, 50800, 51200, 60960, 61440, 65024, 65536, 76200, 76800, 81280, 81920, 97536, 98304, 101600, 102400, 121920, 122880, 130048, 131072, 152400, 153600, 162560, 163840, 195072, 196608, 203200, 204800, 243840, 245760, 260096, 262144, 304800, 307200, 325120, 327680, 390144, 393216, 406400, 409600, 487680, 491520, 520192, 524288, 609600, 614400, 650240, 655360, 780288, 786432, 812800, 819200, 975360, 983040, 1040384, 1048576, 1219200, 1228800, 1300480, 1310720, 1560576, 1572864, 1625600, 1638400, 1950720, 1966080, 2080768, 2097152, 2438400, 2457600, 2600960, 2621440, 3121152, 3145728, 3251200, 3276800, 3901440, 3932160, 4161536, 4876800, 4915200, 5201920, 5242880, 6242304, 6291456, 6502400, 6553600, 7802880, 7864320, 8323072, 9753600, 9830400, 10403840, 10485760, 12484608, 13004800, 13107200, 15605760, 15728640, 16646144, 19507200, 19660800, 20807680, 24969216, 26009600, 26214400, 31211520, 31457280, 33292288, 39014400, 39321600, 41615360, 49938432, 52019200, 52428800, 62423040, 66584576, 78028800, 78643200, 83230720, 99876864, 104038400, 124846080, 133169152, 156057600, 157286400, 166461440, 199753728, 208076800, 249692160, 266338304, 312115200, 332922880, 399507456, 416153600, 499384320, 624230400, 665845760, 799014912, 832307200, 998768640, 1248460800, 1331691520, 1664614400, 1997537280, 2496921600, 3329228800, 3995074560, 4993843200, 6658457600, 9987686400, 19975372800]

約数ペア:

[(1, 19975372800), (2, 9987686400), (3, 6658457600), (4, 4993843200), (5, 3995074560), (6, 3329228800), (8, 2496921600), (10, 1997537280), (12, 1664614400), (15, 1331691520), (16, 1248460800), (20, 998768640), (24, 832307200), (25, 799014912), (30, 665845760), (32, 624230400), (40, 499384320), (48, 416153600), (50, 399507456), (60, 332922880), (64, 312115200), (75, 266338304), (80, 249692160), (96, 208076800), (100, 199753728), (120, 166461440), (127, 157286400), (128, 156057600), (150, 133169152), (160, 124846080), (192, 104038400), (200, 99876864), (240, 83230720), (254, 78643200), (256, 78028800), (300, 66584576), (320, 62423040), (381, 52428800), (384, 52019200), (400, 49938432), (480, 41615360), (508, 39321600), (512, 39014400), (600, 33292288), (635, 31457280), (640, 31211520), (762, 26214400), (768, 26009600), (800, 24969216), (960, 20807680), (1016, 19660800), (1024, 19507200), (1200, 16646144), (1270, 15728640), (1280, 15605760), (1524, 13107200), (1536, 13004800), (1600, 12484608), (1905, 10485760), (1920, 10403840), (2032, 9830400), (2048, 9753600), (2400, 8323072), (2540, 7864320), (2560, 7802880), (3048, 6553600), (3072, 6502400), (3175, 6291456), (3200, 6242304), (3810, 5242880), (3840, 5201920), (4064, 4915200), (4096, 4876800), (4800, 4161536), (5080, 3932160), (5120, 3901440), (6096, 3276800), (6144, 3251200), (6350, 3145728), (6400, 3121152), (7620, 2621440), (7680, 2600960), (8128, 2457600), (8192, 2438400), (9525, 2097152), (9600, 2080768), (10160, 1966080), (10240, 1950720), (12192, 1638400), (12288, 1625600), (12700, 1572864), (12800, 1560576), (15240, 1310720), (15360, 1300480), (16256, 1228800), (16384, 1219200), (19050, 1048576), (19200, 1040384), (20320, 983040), (20480, 975360), (24384, 819200), (24576, 812800), (25400, 786432), (25600, 780288), (30480, 655360), (30720, 650240), (32512, 614400), (32768, 609600), (38100, 524288), (38400, 520192), (40640, 491520), (40960, 487680), (48768, 409600), (49152, 406400), (50800, 393216), (51200, 390144), (60960, 327680), (61440, 325120), (65024, 307200), (65536, 304800), (76200, 262144), (76800, 260096), (81280, 245760), (81920, 243840), (97536, 204800), (98304, 203200), (101600, 196608), (102400, 195072), (121920, 163840), (122880, 162560), (130048, 153600), (131072, 152400)]