About the Number

216161280

216161279 ← → 216161281

2進数表記:1100111000100101110000000000

漢数字表記:二億千六百十六万千二百八十

素因数分解:

2 10 × 3 2 × 5 1 × 4691 1

素因数の和:4722
約数の個数: 132
約数和(自身を含む): 749152872
約数和(自身を除く): 532991592

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 4691, 5120, 5760, 7680, 9216, 9382, 11520, 14073, 15360, 18764, 23040, 23455, 28146, 37528, 42219, 46080, 46910, 56292, 70365, 75056, 84438, 93820, 112584, 140730, 150112, 168876, 187640, 211095, 225168, 281460, 300224, 337752, 375280, 422190, 450336, 562920, 600448, 675504, 750560, 844380, 900672, 1125840, 1200896, 1351008, 1501120, 1688760, 1801344, 2251680, 2401792, 2702016, 3002240, 3377520, 3602688, 4503360, 4803584, 5404032, 6004480, 6755040, 7205376, 9006720, 10808064, 12008960, 13510080, 14410752, 18013440, 21616128, 24017920, 27020160, 36026880, 43232256, 54040320, 72053760, 108080640, 216161280]

約数ペア:
[(1, 216161280), (2, 108080640), (3, 72053760), (4, 54040320), (5, 43232256), (6, 36026880), (8, 27020160), (9, 24017920), (10, 21616128), (12, 18013440), (15, 14410752), (16, 13510080), (18, 12008960), (20, 10808064), (24, 9006720), (30, 7205376), (32, 6755040), (36, 6004480), (40, 5404032), (45, 4803584), (48, 4503360), (60, 3602688), (64, 3377520), (72, 3002240), (80, 2702016), (90, 2401792), (96, 2251680), (120, 1801344), (128, 1688760), (144, 1501120), (160, 1351008), (180, 1200896), (192, 1125840), (240, 900672), (256, 844380), (288, 750560), (320, 675504), (360, 600448), (384, 562920), (480, 450336), (512, 422190), (576, 375280), (640, 337752), (720, 300224), (768, 281460), (960, 225168), (1024, 211095), (1152, 187640), (1280, 168876), (1440, 150112), (1536, 140730), (1920, 112584), (2304, 93820), (2560, 84438), (2880, 75056), (3072, 70365), (3840, 56292), (4608, 46910), (4691, 46080), (5120, 42219), (5760, 37528), (7680, 28146), (9216, 23455), (9382, 23040), (11520, 18764), (14073, 15360)]

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