1404928000

素因数分解:

$2^{15}\times 5^3\times 7^3$

素因数の和:66

約数の個数: 256

約数和(自身を含む): 4089384000

約数和(自身を除く): 2684456000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 128, 140, 160, 175, 196, 200, 224, 245, 250, 256, 280, 320, 343, 350, 392, 400, 448, 490, 500, 512, 560, 640, 686, 700, 784, 800, 875, 896, 980, 1000, 1024, 1120, 1225, 1280, 1372, 1400, 1568, 1600, 1715, 1750, 1792, 1960, 2000, 2048, 2240, 2450, 2560, 2744, 2800, 3136, 3200, 3430, 3500, 3584, 3920, 4000, 4096, 4480, 4900, 5120, 5488, 5600, 6125, 6272, 6400, 6860, 7000, 7168, 7840, 8000, 8192, 8575, 8960, 9800, 10240, 10976, 11200, 12250, 12544, 12800, 13720, 14000, 14336, 15680, 16000, 16384, 17150, 17920, 19600, 20480, 21952, 22400, 24500, 25088, 25600, 27440, 28000, 28672, 31360, 32000, 32768, 34300, 35840, 39200, 40960, 42875, 43904, 44800, 49000, 50176, 51200, 54880, 56000, 57344, 62720, 64000, 68600, 71680, 78400, 81920, 85750, 87808, 89600, 98000, 100352, 102400, 109760, 112000, 114688, 125440, 128000, 137200, 143360, 156800, 163840, 171500, 175616, 179200, 196000, 200704, 204800, 219520, 224000, 229376, 250880, 256000, 274400, 286720, 313600, 343000, 351232, 358400, 392000, 401408, 409600, 439040, 448000, 501760, 512000, 548800, 573440, 627200, 686000, 702464, 716800, 784000, 802816, 819200, 878080, 896000, 1003520, 1024000, 1097600, 1146880, 1254400, 1372000, 1404928, 1433600, 1568000, 1605632, 1756160, 1792000, 2007040, 2048000, 2195200, 2508800, 2744000, 2809856, 2867200, 3136000, 3512320, 3584000, 4014080, 4096000, 4390400, 5017600, 5488000, 5619712, 5734400, 6272000, 7024640, 7168000, 8028160, 8780800, 10035200, 10976000, 11239424, 12544000, 14049280, 14336000, 17561600, 20070400, 21952000, 25088000, 28098560, 28672000, 35123200, 40140800, 43904000, 50176000, 56197120, 70246400, 87808000, 100352000, 140492800, 175616000, 200704000, 280985600, 351232000, 702464000, 1404928000]

約数ペア:

[(1, 1404928000), (2, 702464000), (4, 351232000), (5, 280985600), (7, 200704000), (8, 175616000), (10, 140492800), (14, 100352000), (16, 87808000), (20, 70246400), (25, 56197120), (28, 50176000), (32, 43904000), (35, 40140800), (40, 35123200), (49, 28672000), (50, 28098560), (56, 25088000), (64, 21952000), (70, 20070400), (80, 17561600), (98, 14336000), (100, 14049280), (112, 12544000), (125, 11239424), (128, 10976000), (140, 10035200), (160, 8780800), (175, 8028160), (196, 7168000), (200, 7024640), (224, 6272000), (245, 5734400), (250, 5619712), (256, 5488000), (280, 5017600), (320, 4390400), (343, 4096000), (350, 4014080), (392, 3584000), (400, 3512320), (448, 3136000), (490, 2867200), (500, 2809856), (512, 2744000), (560, 2508800), (640, 2195200), (686, 2048000), (700, 2007040), (784, 1792000), (800, 1756160), (875, 1605632), (896, 1568000), (980, 1433600), (1000, 1404928), (1024, 1372000), (1120, 1254400), (1225, 1146880), (1280, 1097600), (1372, 1024000), (1400, 1003520), (1568, 896000), (1600, 878080), (1715, 819200), (1750, 802816), (1792, 784000), (1960, 716800), (2000, 702464), (2048, 686000), (2240, 627200), (2450, 573440), (2560, 548800), (2744, 512000), (2800, 501760), (3136, 448000), (3200, 439040), (3430, 409600), (3500, 401408), (3584, 392000), (3920, 358400), (4000, 351232), (4096, 343000), (4480, 313600), (4900, 286720), (5120, 274400), (5488, 256000), (5600, 250880), (6125, 229376), (6272, 224000), (6400, 219520), (6860, 204800), (7000, 200704), (7168, 196000), (7840, 179200), (8000, 175616), (8192, 171500), (8575, 163840), (8960, 156800), (9800, 143360), (10240, 137200), (10976, 128000), (11200, 125440), (12250, 114688), (12544, 112000), (12800, 109760), (13720, 102400), (14000, 100352), (14336, 98000), (15680, 89600), (16000, 87808), (16384, 85750), (17150, 81920), (17920, 78400), (19600, 71680), (20480, 68600), (21952, 64000), (22400, 62720), (24500, 57344), (25088, 56000), (25600, 54880), (27440, 51200), (28000, 50176), (28672, 49000), (31360, 44800), (32000, 43904), (32768, 42875), (34300, 40960), (35840, 39200)]