About the Number

128317320

128317319 ← → 128317321

2進数表記:111101001011111011110001000

漢数字表記:一億二千八百三十一万七千三百二十

素因数分解:

2 3 × 3 2 × 5 1 × 431 1 × 827 1

素因数の和:1275
約数の個数: 96
約数和(自身を含む): 418504320
約数和(自身を除く): 290187000

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 431, 827, 862, 1293, 1654, 1724, 2155, 2481, 2586, 3308, 3448, 3879, 4135, 4310, 4962, 5172, 6465, 6616, 7443, 7758, 8270, 8620, 9924, 10344, 12405, 12930, 14886, 15516, 16540, 17240, 19395, 19848, 24810, 25860, 29772, 31032, 33080, 37215, 38790, 49620, 51720, 59544, 74430, 77580, 99240, 148860, 155160, 297720, 356437, 712874, 1069311, 1425748, 1782185, 2138622, 2851496, 3207933, 3564370, 4277244, 5346555, 6415866, 7128740, 8554488, 10693110, 12831732, 14257480, 16039665, 21386220, 25663464, 32079330, 42772440, 64158660, 128317320]

約数ペア:
[(1, 128317320), (2, 64158660), (3, 42772440), (4, 32079330), (5, 25663464), (6, 21386220), (8, 16039665), (9, 14257480), (10, 12831732), (12, 10693110), (15, 8554488), (18, 7128740), (20, 6415866), (24, 5346555), (30, 4277244), (36, 3564370), (40, 3207933), (45, 2851496), (60, 2138622), (72, 1782185), (90, 1425748), (120, 1069311), (180, 712874), (360, 356437), (431, 297720), (827, 155160), (862, 148860), (1293, 99240), (1654, 77580), (1724, 74430), (2155, 59544), (2481, 51720), (2586, 49620), (3308, 38790), (3448, 37215), (3879, 33080), (4135, 31032), (4310, 29772), (4962, 25860), (5172, 24810), (6465, 19848), (6616, 19395), (7443, 17240), (7758, 16540), (8270, 15516), (8620, 14886), (9924, 12930), (10344, 12405)]

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