About the Number
128425680
2進数表記:111101001111001111011010000
漢数字表記:一億二千八百四十二万五千六百八十
素因数分解:
素因数の和:1793
約数の個数: 120
約数和(自身を含む): 435588192
約数和(自身を除く): 307162512
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 107, 120, 144, 180, 214, 240, 321, 360, 428, 535, 642, 720, 856, 963, 1070, 1284, 1605, 1667, 1712, 1926, 2140, 2568, 3210, 3334, 3852, 4280, 4815, 5001, 5136, 6420, 6668, 7704, 8335, 8560, 9630, 10002, 12840, 13336, 15003, 15408, 16670, 19260, 20004, 25005, 25680, 26672, 30006, 33340, 38520, 40008, 50010, 60012, 66680, 75015, 77040, 80016, 100020, 120024, 133360, 150030, 178369, 200040, 240048, 300060, 356738, 400080, 535107, 600120, 713476, 891845, 1070214, 1200240, 1426952, 1605321, 1783690, 2140428, 2675535, 2853904, 3210642, 3567380, 4280856, 5351070, 6421284, 7134760, 8026605, 8561712, 10702140, 12842568, 14269520, 16053210, 21404280, 25685136, 32106420, 42808560, 64212840, 128425680]
約数ペア:
[(1, 128425680), (2, 64212840), (3, 42808560), (4, 32106420), (5, 25685136), (6, 21404280), (8, 16053210), (9, 14269520), (10, 12842568), (12, 10702140), (15, 8561712), (16, 8026605), (18, 7134760), (20, 6421284), (24, 5351070), (30, 4280856), (36, 3567380), (40, 3210642), (45, 2853904), (48, 2675535), (60, 2140428), (72, 1783690), (80, 1605321), (90, 1426952), (107, 1200240), (120, 1070214), (144, 891845), (180, 713476), (214, 600120), (240, 535107), (321, 400080), (360, 356738), (428, 300060), (535, 240048), (642, 200040), (720, 178369), (856, 150030), (963, 133360), (1070, 120024), (1284, 100020), (1605, 80016), (1667, 77040), (1712, 75015), (1926, 66680), (2140, 60012), (2568, 50010), (3210, 40008), (3334, 38520), (3852, 33340), (4280, 30006), (4815, 26672), (5001, 25680), (5136, 25005), (6420, 20004), (6668, 19260), (7704, 16670), (8335, 15408), (8560, 15003), (9630, 13336), (10002, 12840)]このpageの処理時間: 0.011606931686401367 seconds