About the Number

285128640

285128639 ← → 285128641

2進数表記:10000111111101011011111000000

漢数字表記:二億八千五百十二万八千六百四十

素因数分解:

2 6 × 3 3 × 5 1 × 61 1 × 541 1

素因数の和:628
約数の個数: 224
約数和(自身を含む): 1024249920
約数和(自身を除く): 739121280

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 64, 72, 80, 90, 96, 108, 120, 122, 135, 144, 160, 180, 183, 192, 216, 240, 244, 270, 288, 305, 320, 360, 366, 432, 480, 488, 540, 541, 549, 576, 610, 720, 732, 864, 915, 960, 976, 1080, 1082, 1098, 1220, 1440, 1464, 1623, 1647, 1728, 1830, 1952, 2160, 2164, 2196, 2440, 2705, 2745, 2880, 2928, 3246, 3294, 3660, 3904, 4320, 4328, 4392, 4869, 4880, 5410, 5490, 5856, 6492, 6588, 7320, 8115, 8235, 8640, 8656, 8784, 9738, 9760, 10820, 10980, 11712, 12984, 13176, 14607, 14640, 16230, 16470, 17312, 17568, 19476, 19520, 21640, 21960, 24345, 25968, 26352, 29214, 29280, 32460, 32940, 33001, 34624, 35136, 38952, 43280, 43920, 48690, 51936, 52704, 58428, 58560, 64920, 65880, 66002, 73035, 77904, 86560, 87840, 97380, 99003, 103872, 105408, 116856, 129840, 131760, 132004, 146070, 155808, 165005, 173120, 175680, 194760, 198006, 233712, 259680, 263520, 264008, 292140, 297009, 311616, 330010, 389520, 396012, 467424, 495015, 519360, 527040, 528016, 584280, 594018, 660020, 779040, 792024, 891027, 934848, 990030, 1056032, 1168560, 1188036, 1320040, 1485045, 1558080, 1584048, 1782054, 1980060, 2112064, 2337120, 2376072, 2640080, 2970090, 3168096, 3564108, 3960120, 4455135, 4674240, 4752144, 5280160, 5940180, 6336192, 7128216, 7920240, 8910270, 9504288, 10560320, 11880360, 14256432, 15840480, 17820540, 19008576, 23760720, 28512864, 31680960, 35641080, 47521440, 57025728, 71282160, 95042880, 142564320, 285128640]

約数ペア:
[(1, 285128640), (2, 142564320), (3, 95042880), (4, 71282160), (5, 57025728), (6, 47521440), (8, 35641080), (9, 31680960), (10, 28512864), (12, 23760720), (15, 19008576), (16, 17820540), (18, 15840480), (20, 14256432), (24, 11880360), (27, 10560320), (30, 9504288), (32, 8910270), (36, 7920240), (40, 7128216), (45, 6336192), (48, 5940180), (54, 5280160), (60, 4752144), (61, 4674240), (64, 4455135), (72, 3960120), (80, 3564108), (90, 3168096), (96, 2970090), (108, 2640080), (120, 2376072), (122, 2337120), (135, 2112064), (144, 1980060), (160, 1782054), (180, 1584048), (183, 1558080), (192, 1485045), (216, 1320040), (240, 1188036), (244, 1168560), (270, 1056032), (288, 990030), (305, 934848), (320, 891027), (360, 792024), (366, 779040), (432, 660020), (480, 594018), (488, 584280), (540, 528016), (541, 527040), (549, 519360), (576, 495015), (610, 467424), (720, 396012), (732, 389520), (864, 330010), (915, 311616), (960, 297009), (976, 292140), (1080, 264008), (1082, 263520), (1098, 259680), (1220, 233712), (1440, 198006), (1464, 194760), (1623, 175680), (1647, 173120), (1728, 165005), (1830, 155808), (1952, 146070), (2160, 132004), (2164, 131760), (2196, 129840), (2440, 116856), (2705, 105408), (2745, 103872), (2880, 99003), (2928, 97380), (3246, 87840), (3294, 86560), (3660, 77904), (3904, 73035), (4320, 66002), (4328, 65880), (4392, 64920), (4869, 58560), (4880, 58428), (5410, 52704), (5490, 51936), (5856, 48690), (6492, 43920), (6588, 43280), (7320, 38952), (8115, 35136), (8235, 34624), (8640, 33001), (8656, 32940), (8784, 32460), (9738, 29280), (9760, 29214), (10820, 26352), (10980, 25968), (11712, 24345), (12984, 21960), (13176, 21640), (14607, 19520), (14640, 19476), (16230, 17568), (16470, 17312)]

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