12900761600

素因数分解:

$2^{17}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 216

約数和(自身を含む): 33285869568

約数和(自身を除く): 20385107968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 127, 128, 155, 160, 200, 248, 254, 256, 310, 320, 400, 496, 508, 512, 620, 635, 640, 775, 800, 992, 1016, 1024, 1240, 1270, 1280, 1550, 1600, 1984, 2032, 2048, 2480, 2540, 2560, 3100, 3175, 3200, 3937, 3968, 4064, 4096, 4960, 5080, 5120, 6200, 6350, 6400, 7874, 7936, 8128, 8192, 9920, 10160, 10240, 12400, 12700, 12800, 15748, 15872, 16256, 16384, 19685, 19840, 20320, 20480, 24800, 25400, 25600, 31496, 31744, 32512, 32768, 39370, 39680, 40640, 40960, 49600, 50800, 51200, 62992, 63488, 65024, 65536, 78740, 79360, 81280, 81920, 98425, 99200, 101600, 102400, 125984, 126976, 130048, 131072, 157480, 158720, 162560, 163840, 196850, 198400, 203200, 204800, 251968, 253952, 260096, 314960, 317440, 325120, 327680, 393700, 396800, 406400, 409600, 503936, 507904, 520192, 629920, 634880, 650240, 655360, 787400, 793600, 812800, 819200, 1007872, 1015808, 1040384, 1259840, 1269760, 1300480, 1574800, 1587200, 1625600, 1638400, 2015744, 2031616, 2080768, 2519680, 2539520, 2600960, 3149600, 3174400, 3251200, 3276800, 4031488, 4063232, 4161536, 5039360, 5079040, 5201920, 6299200, 6348800, 6502400, 8062976, 8323072, 10078720, 10158080, 10403840, 12598400, 12697600, 13004800, 16125952, 16646144, 20157440, 20316160, 20807680, 25196800, 25395200, 26009600, 32251904, 40314880, 41615360, 50393600, 50790400, 52019200, 64503808, 80629760, 83230720, 100787200, 101580800, 104038400, 129007616, 161259520, 201574400, 208076800, 258015232, 322519040, 403148800, 416153600, 516030464, 645038080, 806297600, 1290076160, 1612595200, 2580152320, 3225190400, 6450380800, 12900761600]

約数ペア:

[(1, 12900761600), (2, 6450380800), (4, 3225190400), (5, 2580152320), (8, 1612595200), (10, 1290076160), (16, 806297600), (20, 645038080), (25, 516030464), (31, 416153600), (32, 403148800), (40, 322519040), (50, 258015232), (62, 208076800), (64, 201574400), (80, 161259520), (100, 129007616), (124, 104038400), (127, 101580800), (128, 100787200), (155, 83230720), (160, 80629760), (200, 64503808), (248, 52019200), (254, 50790400), (256, 50393600), (310, 41615360), (320, 40314880), (400, 32251904), (496, 26009600), (508, 25395200), (512, 25196800), (620, 20807680), (635, 20316160), (640, 20157440), (775, 16646144), (800, 16125952), (992, 13004800), (1016, 12697600), (1024, 12598400), (1240, 10403840), (1270, 10158080), (1280, 10078720), (1550, 8323072), (1600, 8062976), (1984, 6502400), (2032, 6348800), (2048, 6299200), (2480, 5201920), (2540, 5079040), (2560, 5039360), (3100, 4161536), (3175, 4063232), (3200, 4031488), (3937, 3276800), (3968, 3251200), (4064, 3174400), (4096, 3149600), (4960, 2600960), (5080, 2539520), (5120, 2519680), (6200, 2080768), (6350, 2031616), (6400, 2015744), (7874, 1638400), (7936, 1625600), (8128, 1587200), (8192, 1574800), (9920, 1300480), (10160, 1269760), (10240, 1259840), (12400, 1040384), (12700, 1015808), (12800, 1007872), (15748, 819200), (15872, 812800), (16256, 793600), (16384, 787400), (19685, 655360), (19840, 650240), (20320, 634880), (20480, 629920), (24800, 520192), (25400, 507904), (25600, 503936), (31496, 409600), (31744, 406400), (32512, 396800), (32768, 393700), (39370, 327680), (39680, 325120), (40640, 317440), (40960, 314960), (49600, 260096), (50800, 253952), (51200, 251968), (62992, 204800), (63488, 203200), (65024, 198400), (65536, 196850), (78740, 163840), (79360, 162560), (81280, 158720), (81920, 157480), (98425, 131072), (99200, 130048), (101600, 126976), (102400, 125984)]