64744960000

素因数分解:

$2^{12}\times 5^4\times 7^1\times {\mathrm{3613}}^1$

素因数の和:3664

約数の個数: 260

約数和(自身を含む): 184955007952

約数和(自身を除く): 120210047952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 320, 350, 400, 448, 500, 512, 560, 625, 640, 700, 800, 875, 896, 1000, 1024, 1120, 1250, 1280, 1400, 1600, 1750, 1792, 2000, 2048, 2240, 2500, 2560, 2800, 3200, 3500, 3584, 3613, 4000, 4096, 4375, 4480, 5000, 5120, 5600, 6400, 7000, 7168, 7226, 8000, 8750, 8960, 10000, 10240, 11200, 12800, 14000, 14336, 14452, 16000, 17500, 17920, 18065, 20000, 20480, 22400, 25291, 25600, 28000, 28672, 28904, 32000, 35000, 35840, 36130, 40000, 44800, 50582, 51200, 56000, 57808, 64000, 70000, 71680, 72260, 80000, 89600, 90325, 101164, 102400, 112000, 115616, 126455, 128000, 140000, 143360, 144520, 160000, 179200, 180650, 202328, 224000, 231232, 252910, 256000, 280000, 289040, 320000, 358400, 361300, 404656, 448000, 451625, 462464, 505820, 512000, 560000, 578080, 632275, 640000, 716800, 722600, 809312, 896000, 903250, 924928, 1011640, 1120000, 1156160, 1264550, 1280000, 1445200, 1618624, 1792000, 1806500, 1849856, 2023280, 2240000, 2258125, 2312320, 2529100, 2560000, 2890400, 3161375, 3237248, 3584000, 3613000, 3699712, 4046560, 4480000, 4516250, 4624640, 5058200, 5780800, 6322750, 6474496, 7226000, 7399424, 8093120, 8960000, 9032500, 9249280, 10116400, 11561600, 12645500, 12948992, 14452000, 14798848, 15806875, 16186240, 17920000, 18065000, 18498560, 20232800, 23123200, 25291000, 25897984, 28904000, 31613750, 32372480, 36130000, 36997120, 40465600, 46246400, 50582000, 51795968, 57808000, 63227500, 64744960, 72260000, 73994240, 80931200, 92492800, 101164000, 103591936, 115616000, 126455000, 129489920, 144520000, 161862400, 184985600, 202328000, 231232000, 252910000, 258979840, 289040000, 323724800, 369971200, 404656000, 462464000, 505820000, 517959680, 578080000, 647449600, 809312000, 924928000, 1011640000, 1156160000, 1294899200, 1618624000, 1849856000, 2023280000, 2312320000, 2589798400, 3237248000, 4046560000, 4624640000, 6474496000, 8093120000, 9249280000, 12948992000, 16186240000, 32372480000, 64744960000]

約数ペア:

[(1, 64744960000), (2, 32372480000), (4, 16186240000), (5, 12948992000), (7, 9249280000), (8, 8093120000), (10, 6474496000), (14, 4624640000), (16, 4046560000), (20, 3237248000), (25, 2589798400), (28, 2312320000), (32, 2023280000), (35, 1849856000), (40, 1618624000), (50, 1294899200), (56, 1156160000), (64, 1011640000), (70, 924928000), (80, 809312000), (100, 647449600), (112, 578080000), (125, 517959680), (128, 505820000), (140, 462464000), (160, 404656000), (175, 369971200), (200, 323724800), (224, 289040000), (250, 258979840), (256, 252910000), (280, 231232000), (320, 202328000), (350, 184985600), (400, 161862400), (448, 144520000), (500, 129489920), (512, 126455000), (560, 115616000), (625, 103591936), (640, 101164000), (700, 92492800), (800, 80931200), (875, 73994240), (896, 72260000), (1000, 64744960), (1024, 63227500), (1120, 57808000), (1250, 51795968), (1280, 50582000), (1400, 46246400), (1600, 40465600), (1750, 36997120), (1792, 36130000), (2000, 32372480), (2048, 31613750), (2240, 28904000), (2500, 25897984), (2560, 25291000), (2800, 23123200), (3200, 20232800), (3500, 18498560), (3584, 18065000), (3613, 17920000), (4000, 16186240), (4096, 15806875), (4375, 14798848), (4480, 14452000), (5000, 12948992), (5120, 12645500), (5600, 11561600), (6400, 10116400), (7000, 9249280), (7168, 9032500), (7226, 8960000), (8000, 8093120), (8750, 7399424), (8960, 7226000), (10000, 6474496), (10240, 6322750), (11200, 5780800), (12800, 5058200), (14000, 4624640), (14336, 4516250), (14452, 4480000), (16000, 4046560), (17500, 3699712), (17920, 3613000), (18065, 3584000), (20000, 3237248), (20480, 3161375), (22400, 2890400), (25291, 2560000), (25600, 2529100), (28000, 2312320), (28672, 2258125), (28904, 2240000), (32000, 2023280), (35000, 1849856), (35840, 1806500), (36130, 1792000), (40000, 1618624), (44800, 1445200), (50582, 1280000), (51200, 1264550), (56000, 1156160), (57808, 1120000), (64000, 1011640), (70000, 924928), (71680, 903250), (72260, 896000), (80000, 809312), (89600, 722600), (90325, 716800), (101164, 640000), (102400, 632275), (112000, 578080), (115616, 560000), (126455, 512000), (128000, 505820), (140000, 462464), (143360, 451625), (144520, 448000), (160000, 404656), (179200, 361300), (180650, 358400), (202328, 320000), (224000, 289040), (231232, 280000), (252910, 256000)]