20971200000

素因数分解:

$2^9\times 3^1\times 5^5\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 480

約数和(自身を含む): 74226686688

約数和(自身を除く): 53255486688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 125, 128, 136, 150, 160, 170, 192, 200, 204, 240, 250, 255, 256, 257, 272, 300, 320, 340, 375, 384, 400, 408, 425, 480, 500, 510, 512, 514, 544, 600, 625, 640, 680, 750, 768, 771, 800, 816, 850, 960, 1000, 1020, 1028, 1088, 1200, 1250, 1275, 1280, 1285, 1360, 1500, 1536, 1542, 1600, 1632, 1700, 1875, 1920, 2000, 2040, 2056, 2125, 2176, 2400, 2500, 2550, 2560, 2570, 2720, 3000, 3084, 3125, 3200, 3264, 3400, 3750, 3840, 3855, 4000, 4080, 4112, 4250, 4352, 4369, 4800, 5000, 5100, 5140, 5440, 6000, 6168, 6250, 6375, 6400, 6425, 6528, 6800, 7500, 7680, 7710, 8000, 8160, 8224, 8500, 8704, 8738, 9375, 9600, 10000, 10200, 10280, 10625, 10880, 12000, 12336, 12500, 12750, 12800, 12850, 13056, 13107, 13600, 15000, 15420, 16000, 16320, 16448, 17000, 17476, 18750, 19200, 19275, 20000, 20400, 20560, 21250, 21760, 21845, 24000, 24672, 25000, 25500, 25700, 26112, 26214, 27200, 30000, 30840, 31875, 32000, 32125, 32640, 32896, 34000, 34952, 37500, 38400, 38550, 40000, 40800, 41120, 42500, 43520, 43690, 48000, 49344, 50000, 51000, 51400, 52428, 53125, 54400, 60000, 61680, 63750, 64000, 64250, 65280, 65535, 65792, 68000, 69904, 75000, 77100, 80000, 81600, 82240, 85000, 87380, 96000, 96375, 98688, 100000, 102000, 102800, 104856, 106250, 108800, 109225, 120000, 123360, 127500, 128500, 130560, 131070, 131584, 136000, 139808, 150000, 154200, 159375, 160000, 160625, 163200, 164480, 170000, 174760, 192000, 192750, 197376, 200000, 204000, 205600, 209712, 212500, 217600, 218450, 240000, 246720, 255000, 257000, 262140, 272000, 279616, 300000, 308400, 318750, 320000, 321250, 326400, 327675, 328960, 340000, 349520, 385500, 394752, 400000, 408000, 411200, 419424, 425000, 436900, 480000, 481875, 493440, 510000, 514000, 524280, 544000, 546125, 559232, 600000, 616800, 637500, 642500, 652800, 655350, 657920, 680000, 699040, 771000, 800000, 803125, 816000, 822400, 838848, 850000, 873800, 960000, 963750, 986880, 1020000, 1028000, 1048560, 1088000, 1092250, 1118464, 1200000, 1233600, 1275000, 1285000, 1310700, 1360000, 1398080, 1542000, 1600000, 1606250, 1632000, 1638375, 1644800, 1677696, 1700000, 1747600, 1927500, 1973760, 2040000, 2056000, 2097120, 2184500, 2236928, 2400000, 2409375, 2467200, 2550000, 2570000, 2621400, 2720000, 2730625, 2796160, 3084000, 3212500, 3264000, 3276750, 3289600, 3355392, 3400000, 3495200, 3855000, 4080000, 4112000, 4194240, 4369000, 4800000, 4818750, 4934400, 5100000, 5140000, 5242800, 5440000, 5461250, 5592320, 6168000, 6425000, 6553500, 6710784, 6800000, 6990400, 7710000, 8160000, 8191875, 8224000, 8388480, 8738000, 9637500, 9868800, 10200000, 10280000, 10485600, 10922500, 11184640, 12336000, 12850000, 13107000, 13600000, 13653125, 13980800, 15420000, 16320000, 16383750, 16448000, 16776960, 17476000, 19275000, 20400000, 20560000, 20971200, 21845000, 24672000, 25700000, 26214000, 27200000, 27306250, 27961600, 30840000, 32767500, 33553920, 34952000, 38550000, 40800000, 40959375, 41120000, 41942400, 43690000, 49344000, 51400000, 52428000, 54612500, 55923200, 61680000, 65535000, 69904000, 77100000, 81600000, 81918750, 82240000, 83884800, 87380000, 102800000, 104856000, 109225000, 123360000, 131070000, 139808000, 154200000, 163837500, 167769600, 174760000, 205600000, 209712000, 218450000, 246720000, 262140000, 279616000, 308400000, 327675000, 349520000, 411200000, 419424000, 436900000, 524280000, 616800000, 655350000, 699040000, 838848000, 873800000, 1048560000, 1233600000, 1310700000, 1398080000, 1747600000, 2097120000, 2621400000, 3495200000, 4194240000, 5242800000, 6990400000, 10485600000, 20971200000]

約数ペア:

[(1, 20971200000), (2, 10485600000), (3, 6990400000), (4, 5242800000), (5, 4194240000), (6, 3495200000), (8, 2621400000), (10, 2097120000), (12, 1747600000), (15, 1398080000), (16, 1310700000), (17, 1233600000), (20, 1048560000), (24, 873800000), (25, 838848000), (30, 699040000), (32, 655350000), (34, 616800000), (40, 524280000), (48, 436900000), (50, 419424000), (51, 411200000), (60, 349520000), (64, 327675000), (68, 308400000), (75, 279616000), (80, 262140000), (85, 246720000), (96, 218450000), (100, 209712000), (102, 205600000), (120, 174760000), (125, 167769600), (128, 163837500), (136, 154200000), (150, 139808000), (160, 131070000), (170, 123360000), (192, 109225000), (200, 104856000), (204, 102800000), (240, 87380000), (250, 83884800), (255, 82240000), (256, 81918750), (257, 81600000), (272, 77100000), (300, 69904000), (320, 65535000), (340, 61680000), (375, 55923200), (384, 54612500), (400, 52428000), (408, 51400000), (425, 49344000), (480, 43690000), (500, 41942400), (510, 41120000), (512, 40959375), (514, 40800000), (544, 38550000), (600, 34952000), (625, 33553920), (640, 32767500), (680, 30840000), (750, 27961600), (768, 27306250), (771, 27200000), (800, 26214000), (816, 25700000), (850, 24672000), (960, 21845000), (1000, 20971200), (1020, 20560000), (1028, 20400000), (1088, 19275000), (1200, 17476000), (1250, 16776960), (1275, 16448000), (1280, 16383750), (1285, 16320000), (1360, 15420000), (1500, 13980800), (1536, 13653125), (1542, 13600000), (1600, 13107000), (1632, 12850000), (1700, 12336000), (1875, 11184640), (1920, 10922500), (2000, 10485600), (2040, 10280000), (2056, 10200000), (2125, 9868800), (2176, 9637500), (2400, 8738000), (2500, 8388480), (2550, 8224000), (2560, 8191875), (2570, 8160000), (2720, 7710000), (3000, 6990400), (3084, 6800000), (3125, 6710784), (3200, 6553500), (3264, 6425000), (3400, 6168000), (3750, 5592320), (3840, 5461250), (3855, 5440000), (4000, 5242800), (4080, 5140000), (4112, 5100000), (4250, 4934400), (4352, 4818750), (4369, 4800000), (4800, 4369000), (5000, 4194240), (5100, 4112000), (5140, 4080000), (5440, 3855000), (6000, 3495200), (6168, 3400000), (6250, 3355392), (6375, 3289600), (6400, 3276750), (6425, 3264000), (6528, 3212500), (6800, 3084000), (7500, 2796160), (7680, 2730625), (7710, 2720000), (8000, 2621400), (8160, 2570000), (8224, 2550000), (8500, 2467200), (8704, 2409375), (8738, 2400000), (9375, 2236928), (9600, 2184500), (10000, 2097120), (10200, 2056000), (10280, 2040000), (10625, 1973760), (10880, 1927500), (12000, 1747600), (12336, 1700000), (12500, 1677696), (12750, 1644800), (12800, 1638375), (12850, 1632000), (13056, 1606250), (13107, 1600000), (13600, 1542000), (15000, 1398080), (15420, 1360000), (16000, 1310700), (16320, 1285000), (16448, 1275000), (17000, 1233600), (17476, 1200000), (18750, 1118464), (19200, 1092250), (19275, 1088000), (20000, 1048560), (20400, 1028000), (20560, 1020000), (21250, 986880), (21760, 963750), (21845, 960000), (24000, 873800), (24672, 850000), (25000, 838848), (25500, 822400), (25700, 816000), (26112, 803125), (26214, 800000), (27200, 771000), (30000, 699040), (30840, 680000), (31875, 657920), (32000, 655350), (32125, 652800), (32640, 642500), (32896, 637500), (34000, 616800), (34952, 600000), (37500, 559232), (38400, 546125), (38550, 544000), (40000, 524280), (40800, 514000), (41120, 510000), (42500, 493440), (43520, 481875), (43690, 480000), (48000, 436900), (49344, 425000), (50000, 419424), (51000, 411200), (51400, 408000), (52428, 400000), (53125, 394752), (54400, 385500), (60000, 349520), (61680, 340000), (63750, 328960), (64000, 327675), (64250, 326400), (65280, 321250), (65535, 320000), (65792, 318750), (68000, 308400), (69904, 300000), (75000, 279616), (77100, 272000), (80000, 262140), (81600, 257000), (82240, 255000), (85000, 246720), (87380, 240000), (96000, 218450), (96375, 217600), (98688, 212500), (100000, 209712), (102000, 205600), (102800, 204000), (104856, 200000), (106250, 197376), (108800, 192750), (109225, 192000), (120000, 174760), (123360, 170000), (127500, 164480), (128500, 163200), (130560, 160625), (131070, 160000), (131584, 159375), (136000, 154200), (139808, 150000)]