18915840000

素因数分解:

$2^{12}\times 3^2\times 5^4\times {\mathrm{821}}^1$

素因数の和:871

約数の個数: 390

約数和(自身を含む): 68360169306

約数和(自身を除く): 49444329306

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 128, 144, 150, 160, 180, 192, 200, 225, 240, 250, 256, 288, 300, 320, 360, 375, 384, 400, 450, 480, 500, 512, 576, 600, 625, 640, 720, 750, 768, 800, 821, 900, 960, 1000, 1024, 1125, 1152, 1200, 1250, 1280, 1440, 1500, 1536, 1600, 1642, 1800, 1875, 1920, 2000, 2048, 2250, 2304, 2400, 2463, 2500, 2560, 2880, 3000, 3072, 3200, 3284, 3600, 3750, 3840, 4000, 4096, 4105, 4500, 4608, 4800, 4926, 5000, 5120, 5625, 5760, 6000, 6144, 6400, 6568, 7200, 7389, 7500, 7680, 8000, 8210, 9000, 9216, 9600, 9852, 10000, 10240, 11250, 11520, 12000, 12288, 12315, 12800, 13136, 14400, 14778, 15000, 15360, 16000, 16420, 18000, 18432, 19200, 19704, 20000, 20480, 20525, 22500, 23040, 24000, 24630, 25600, 26272, 28800, 29556, 30000, 30720, 32000, 32840, 36000, 36864, 36945, 38400, 39408, 40000, 41050, 45000, 46080, 48000, 49260, 51200, 52544, 57600, 59112, 60000, 61440, 61575, 64000, 65680, 72000, 73890, 76800, 78816, 80000, 82100, 90000, 92160, 96000, 98520, 102400, 102625, 105088, 115200, 118224, 120000, 123150, 128000, 131360, 144000, 147780, 153600, 157632, 160000, 164200, 180000, 184320, 184725, 192000, 197040, 205250, 210176, 230400, 236448, 240000, 246300, 256000, 262720, 288000, 295560, 307200, 307875, 315264, 320000, 328400, 360000, 369450, 384000, 394080, 410500, 420352, 460800, 472896, 480000, 492600, 512000, 513125, 525440, 576000, 591120, 615750, 630528, 640000, 656800, 720000, 738900, 768000, 788160, 821000, 840704, 921600, 923625, 945792, 960000, 985200, 1026250, 1050880, 1152000, 1182240, 1231500, 1261056, 1280000, 1313600, 1440000, 1477800, 1536000, 1539375, 1576320, 1642000, 1681408, 1847250, 1891584, 1920000, 1970400, 2052500, 2101760, 2304000, 2364480, 2463000, 2522112, 2560000, 2627200, 2880000, 2955600, 3078750, 3152640, 3284000, 3362816, 3694500, 3783168, 3840000, 3940800, 4105000, 4203520, 4608000, 4618125, 4728960, 4926000, 5044224, 5254400, 5760000, 5911200, 6157500, 6305280, 6568000, 7389000, 7566336, 7680000, 7881600, 8210000, 8407040, 9236250, 9457920, 9852000, 10088448, 10508800, 11520000, 11822400, 12315000, 12610560, 13136000, 14778000, 15132672, 15763200, 16420000, 16814080, 18472500, 18915840, 19704000, 21017600, 23040000, 23644800, 24630000, 25221120, 26272000, 29556000, 30265344, 31526400, 32840000, 36945000, 37831680, 39408000, 42035200, 47289600, 49260000, 50442240, 52544000, 59112000, 63052800, 65680000, 73890000, 75663360, 78816000, 84070400, 94579200, 98520000, 105088000, 118224000, 126105600, 131360000, 147780000, 151326720, 157632000, 189158400, 197040000, 210176000, 236448000, 252211200, 262720000, 295560000, 315264000, 378316800, 394080000, 420352000, 472896000, 525440000, 591120000, 630528000, 756633600, 788160000, 945792000, 1050880000, 1182240000, 1261056000, 1576320000, 1891584000, 2101760000, 2364480000, 3152640000, 3783168000, 4728960000, 6305280000, 9457920000, 18915840000]

約数ペア:

[(1, 18915840000), (2, 9457920000), (3, 6305280000), (4, 4728960000), (5, 3783168000), (6, 3152640000), (8, 2364480000), (9, 2101760000), (10, 1891584000), (12, 1576320000), (15, 1261056000), (16, 1182240000), (18, 1050880000), (20, 945792000), (24, 788160000), (25, 756633600), (30, 630528000), (32, 591120000), (36, 525440000), (40, 472896000), (45, 420352000), (48, 394080000), (50, 378316800), (60, 315264000), (64, 295560000), (72, 262720000), (75, 252211200), (80, 236448000), (90, 210176000), (96, 197040000), (100, 189158400), (120, 157632000), (125, 151326720), (128, 147780000), (144, 131360000), (150, 126105600), (160, 118224000), (180, 105088000), (192, 98520000), (200, 94579200), (225, 84070400), (240, 78816000), (250, 75663360), (256, 73890000), (288, 65680000), (300, 63052800), (320, 59112000), (360, 52544000), (375, 50442240), (384, 49260000), (400, 47289600), (450, 42035200), (480, 39408000), (500, 37831680), (512, 36945000), (576, 32840000), (600, 31526400), (625, 30265344), (640, 29556000), (720, 26272000), (750, 25221120), (768, 24630000), (800, 23644800), (821, 23040000), (900, 21017600), (960, 19704000), (1000, 18915840), (1024, 18472500), (1125, 16814080), (1152, 16420000), (1200, 15763200), (1250, 15132672), (1280, 14778000), (1440, 13136000), (1500, 12610560), (1536, 12315000), (1600, 11822400), (1642, 11520000), (1800, 10508800), (1875, 10088448), (1920, 9852000), (2000, 9457920), (2048, 9236250), (2250, 8407040), (2304, 8210000), (2400, 7881600), (2463, 7680000), (2500, 7566336), (2560, 7389000), (2880, 6568000), (3000, 6305280), (3072, 6157500), (3200, 5911200), (3284, 5760000), (3600, 5254400), (3750, 5044224), (3840, 4926000), (4000, 4728960), (4096, 4618125), (4105, 4608000), (4500, 4203520), (4608, 4105000), (4800, 3940800), (4926, 3840000), (5000, 3783168), (5120, 3694500), (5625, 3362816), (5760, 3284000), (6000, 3152640), (6144, 3078750), (6400, 2955600), (6568, 2880000), (7200, 2627200), (7389, 2560000), (7500, 2522112), (7680, 2463000), (8000, 2364480), (8210, 2304000), (9000, 2101760), (9216, 2052500), (9600, 1970400), (9852, 1920000), (10000, 1891584), (10240, 1847250), (11250, 1681408), (11520, 1642000), (12000, 1576320), (12288, 1539375), (12315, 1536000), (12800, 1477800), (13136, 1440000), (14400, 1313600), (14778, 1280000), (15000, 1261056), (15360, 1231500), (16000, 1182240), (16420, 1152000), (18000, 1050880), (18432, 1026250), (19200, 985200), (19704, 960000), (20000, 945792), (20480, 923625), (20525, 921600), (22500, 840704), (23040, 821000), (24000, 788160), (24630, 768000), (25600, 738900), (26272, 720000), (28800, 656800), (29556, 640000), (30000, 630528), (30720, 615750), (32000, 591120), (32840, 576000), (36000, 525440), (36864, 513125), (36945, 512000), (38400, 492600), (39408, 480000), (40000, 472896), (41050, 460800), (45000, 420352), (46080, 410500), (48000, 394080), (49260, 384000), (51200, 369450), (52544, 360000), (57600, 328400), (59112, 320000), (60000, 315264), (61440, 307875), (61575, 307200), (64000, 295560), (65680, 288000), (72000, 262720), (73890, 256000), (76800, 246300), (78816, 240000), (80000, 236448), (82100, 230400), (90000, 210176), (92160, 205250), (96000, 197040), (98520, 192000), (102400, 184725), (102625, 184320), (105088, 180000), (115200, 164200), (118224, 160000), (120000, 157632), (123150, 153600), (128000, 147780), (131360, 144000)]