About the Number
12800821320
2進数表記:1011111010111111010000100001001000
漢数字表記:百二十八億八十二万千三百二十
素因数分解:
素因数の和:163916
約数の個数: 192
約数和(自身を含む): 49079946240
約数和(自身を除く): 36279124920
約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4340, 5208, 5580, 6510, 7812, 8680, 9765, 11160, 13020, 15624, 19530, 26040, 39060, 78120, 163861, 327722, 491583, 655444, 819305, 983166, 1147027, 1310888, 1474749, 1638610, 1966332, 2294054, 2457915, 2949498, 3277220, 3441081, 3932664, 4588108, 4915830, 5079691, 5735135, 5898996, 6554440, 6882162, 7373745, 9176216, 9831660, 10159382, 10323243, 11470270, 11797992, 13764324, 14747490, 15239073, 17205405, 19663320, 20318764, 20646486, 22940540, 25398455, 27528648, 29494980, 30478146, 34410810, 35557837, 40637528, 41292972, 45717219, 45881080, 50796910, 51616215, 58989960, 60956292, 68821620, 71115674, 76195365, 82585944, 91434438, 101593820, 103232430, 106673511, 121912584, 137643240, 142231348, 152390730, 177789185, 182868876, 203187640, 206464860, 213347022, 228586095, 284462696, 304781460, 320020533, 355578370, 365737752, 412929720, 426694044, 457172190, 533367555, 609562920, 640041066, 711156740, 853388088, 914344380, 1066735110, 1280082132, 1422313480, 1600102665, 1828688760, 2133470220, 2560164264, 3200205330, 4266940440, 6400410660, 12800821320]
約数ペア:
[(1, 12800821320), (2, 6400410660), (3, 4266940440), (4, 3200205330), (5, 2560164264), (6, 2133470220), (7, 1828688760), (8, 1600102665), (9, 1422313480), (10, 1280082132), (12, 1066735110), (14, 914344380), (15, 853388088), (18, 711156740), (20, 640041066), (21, 609562920), (24, 533367555), (28, 457172190), (30, 426694044), (31, 412929720), (35, 365737752), (36, 355578370), (40, 320020533), (42, 304781460), (45, 284462696), (56, 228586095), (60, 213347022), (62, 206464860), (63, 203187640), (70, 182868876), (72, 177789185), (84, 152390730), (90, 142231348), (93, 137643240), (105, 121912584), (120, 106673511), (124, 103232430), (126, 101593820), (140, 91434438), (155, 82585944), (168, 76195365), (180, 71115674), (186, 68821620), (210, 60956292), (217, 58989960), (248, 51616215), (252, 50796910), (279, 45881080), (280, 45717219), (310, 41292972), (315, 40637528), (360, 35557837), (372, 34410810), (420, 30478146), (434, 29494980), (465, 27528648), (504, 25398455), (558, 22940540), (620, 20646486), (630, 20318764), (651, 19663320), (744, 17205405), (840, 15239073), (868, 14747490), (930, 13764324), (1085, 11797992), (1116, 11470270), (1240, 10323243), (1260, 10159382), (1302, 9831660), (1395, 9176216), (1736, 7373745), (1860, 6882162), (1953, 6554440), (2170, 5898996), (2232, 5735135), (2520, 5079691), (2604, 4915830), (2790, 4588108), (3255, 3932664), (3720, 3441081), (3906, 3277220), (4340, 2949498), (5208, 2457915), (5580, 2294054), (6510, 1966332), (7812, 1638610), (8680, 1474749), (9765, 1310888), (11160, 1147027), (13020, 983166), (15624, 819305), (19530, 655444), (26040, 491583), (39060, 327722), (78120, 163861)]このpageの処理時間: 0.056939125061035156 seconds