20915481600

素因数分解:

$2^{10}\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6983}}^1$

素因数の和:7032

約数の個数: 396

約数和(自身を含む): 80659431216

約数和(自身を除く): 59743949616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 64, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 128, 130, 144, 150, 156, 160, 180, 192, 195, 200, 208, 225, 234, 240, 256, 260, 288, 300, 312, 320, 325, 360, 384, 390, 400, 416, 450, 468, 480, 512, 520, 576, 585, 600, 624, 640, 650, 720, 768, 780, 800, 832, 900, 936, 960, 975, 1024, 1040, 1152, 1170, 1200, 1248, 1280, 1300, 1440, 1536, 1560, 1600, 1664, 1800, 1872, 1920, 1950, 2080, 2304, 2340, 2400, 2496, 2560, 2600, 2880, 2925, 3072, 3120, 3200, 3328, 3600, 3744, 3840, 3900, 4160, 4608, 4680, 4800, 4992, 5120, 5200, 5760, 5850, 6240, 6400, 6656, 6983, 7200, 7488, 7680, 7800, 8320, 9216, 9360, 9600, 9984, 10400, 11520, 11700, 12480, 12800, 13312, 13966, 14400, 14976, 15360, 15600, 16640, 18720, 19200, 19968, 20800, 20949, 23040, 23400, 24960, 25600, 27932, 28800, 29952, 31200, 33280, 34915, 37440, 38400, 39936, 41600, 41898, 46080, 46800, 49920, 55864, 57600, 59904, 62400, 62847, 66560, 69830, 74880, 76800, 83200, 83796, 90779, 93600, 99840, 104745, 111728, 115200, 119808, 124800, 125694, 139660, 149760, 166400, 167592, 174575, 181558, 187200, 199680, 209490, 223456, 230400, 249600, 251388, 272337, 279320, 299520, 314235, 332800, 335184, 349150, 363116, 374400, 418980, 446912, 453895, 499200, 502776, 523725, 544674, 558640, 599040, 628470, 670368, 698300, 726232, 748800, 817011, 837960, 893824, 907790, 998400, 1005552, 1047450, 1089348, 1117280, 1256940, 1340736, 1361685, 1396600, 1452464, 1497600, 1571175, 1634022, 1675920, 1787648, 1815580, 2011104, 2094900, 2178696, 2234560, 2269475, 2513880, 2681472, 2723370, 2793200, 2904928, 2995200, 3142350, 3268044, 3351840, 3575296, 3631160, 4022208, 4085055, 4189800, 4357392, 4469120, 4538950, 5027760, 5362944, 5446740, 5586400, 5809856, 6284700, 6536088, 6703680, 6808425, 7150592, 7262320, 8044416, 8170110, 8379600, 8714784, 8938240, 9077900, 10055520, 10725888, 10893480, 11172800, 11619712, 12569400, 13072176, 13407360, 13616850, 14524640, 16088832, 16340220, 16759200, 17429568, 17876480, 18155800, 20111040, 20425275, 21451776, 21786960, 22345600, 23239424, 25138800, 26144352, 26814720, 27233700, 29049280, 32177664, 32680440, 33518400, 34859136, 35752960, 36311600, 40222080, 40850550, 43573920, 44691200, 46478848, 50277600, 52288704, 53629440, 54467400, 58098560, 64355328, 65360880, 67036800, 69718272, 72623200, 80444160, 81701100, 87147840, 89382400, 92957696, 100555200, 104577408, 107258880, 108934800, 116197120, 130721760, 134073600, 139436544, 145246400, 160888320, 163402200, 174295680, 178764800, 201110400, 209154816, 217869600, 232394240, 261443520, 268147200, 278873088, 290492800, 321776640, 326804400, 348591360, 402220800, 418309632, 435739200, 464788480, 522887040, 536294400, 580985600, 653608800, 697182720, 804441600, 836619264, 871478400, 1045774080, 1161971200, 1307217600, 1394365440, 1608883200, 1742956800, 2091548160, 2323942400, 2614435200, 3485913600, 4183096320, 5228870400, 6971827200, 10457740800, 20915481600]

約数ペア:

[(1, 20915481600), (2, 10457740800), (3, 6971827200), (4, 5228870400), (5, 4183096320), (6, 3485913600), (8, 2614435200), (9, 2323942400), (10, 2091548160), (12, 1742956800), (13, 1608883200), (15, 1394365440), (16, 1307217600), (18, 1161971200), (20, 1045774080), (24, 871478400), (25, 836619264), (26, 804441600), (30, 697182720), (32, 653608800), (36, 580985600), (39, 536294400), (40, 522887040), (45, 464788480), (48, 435739200), (50, 418309632), (52, 402220800), (60, 348591360), (64, 326804400), (65, 321776640), (72, 290492800), (75, 278873088), (78, 268147200), (80, 261443520), (90, 232394240), (96, 217869600), (100, 209154816), (104, 201110400), (117, 178764800), (120, 174295680), (128, 163402200), (130, 160888320), (144, 145246400), (150, 139436544), (156, 134073600), (160, 130721760), (180, 116197120), (192, 108934800), (195, 107258880), (200, 104577408), (208, 100555200), (225, 92957696), (234, 89382400), (240, 87147840), (256, 81701100), (260, 80444160), (288, 72623200), (300, 69718272), (312, 67036800), (320, 65360880), (325, 64355328), (360, 58098560), (384, 54467400), (390, 53629440), (400, 52288704), (416, 50277600), (450, 46478848), (468, 44691200), (480, 43573920), (512, 40850550), (520, 40222080), (576, 36311600), (585, 35752960), (600, 34859136), (624, 33518400), (640, 32680440), (650, 32177664), (720, 29049280), (768, 27233700), (780, 26814720), (800, 26144352), (832, 25138800), (900, 23239424), (936, 22345600), (960, 21786960), (975, 21451776), (1024, 20425275), (1040, 20111040), (1152, 18155800), (1170, 17876480), (1200, 17429568), (1248, 16759200), (1280, 16340220), (1300, 16088832), (1440, 14524640), (1536, 13616850), (1560, 13407360), (1600, 13072176), (1664, 12569400), (1800, 11619712), (1872, 11172800), (1920, 10893480), (1950, 10725888), (2080, 10055520), (2304, 9077900), (2340, 8938240), (2400, 8714784), (2496, 8379600), (2560, 8170110), (2600, 8044416), (2880, 7262320), (2925, 7150592), (3072, 6808425), (3120, 6703680), (3200, 6536088), (3328, 6284700), (3600, 5809856), (3744, 5586400), (3840, 5446740), (3900, 5362944), (4160, 5027760), (4608, 4538950), (4680, 4469120), (4800, 4357392), (4992, 4189800), (5120, 4085055), (5200, 4022208), (5760, 3631160), (5850, 3575296), (6240, 3351840), (6400, 3268044), (6656, 3142350), (6983, 2995200), (7200, 2904928), (7488, 2793200), (7680, 2723370), (7800, 2681472), (8320, 2513880), (9216, 2269475), (9360, 2234560), (9600, 2178696), (9984, 2094900), (10400, 2011104), (11520, 1815580), (11700, 1787648), (12480, 1675920), (12800, 1634022), (13312, 1571175), (13966, 1497600), (14400, 1452464), (14976, 1396600), (15360, 1361685), (15600, 1340736), (16640, 1256940), (18720, 1117280), (19200, 1089348), (19968, 1047450), (20800, 1005552), (20949, 998400), (23040, 907790), (23400, 893824), (24960, 837960), (25600, 817011), (27932, 748800), (28800, 726232), (29952, 698300), (31200, 670368), (33280, 628470), (34915, 599040), (37440, 558640), (38400, 544674), (39936, 523725), (41600, 502776), (41898, 499200), (46080, 453895), (46800, 446912), (49920, 418980), (55864, 374400), (57600, 363116), (59904, 349150), (62400, 335184), (62847, 332800), (66560, 314235), (69830, 299520), (74880, 279320), (76800, 272337), (83200, 251388), (83796, 249600), (90779, 230400), (93600, 223456), (99840, 209490), (104745, 199680), (111728, 187200), (115200, 181558), (119808, 174575), (124800, 167592), (125694, 166400), (139660, 149760)]