About the Number

16421280

16421279 ← → 16421281

2進数表記:111110101001000110100000

漢数字表記:千六百四十二万千二百八十

素因数分解:

2 5 × 3 1 × 5 1 × 34211 1

素因数の和:34229
約数の個数: 48
約数和(自身を含む): 51728544
約数和(自身を除く): 35307264

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 34211, 68422, 102633, 136844, 171055, 205266, 273688, 342110, 410532, 513165, 547376, 684220, 821064, 1026330, 1094752, 1368440, 1642128, 2052660, 2736880, 3284256, 4105320, 5473760, 8210640, 16421280]

約数ペア:
[(1, 16421280), (2, 8210640), (3, 5473760), (4, 4105320), (5, 3284256), (6, 2736880), (8, 2052660), (10, 1642128), (12, 1368440), (15, 1094752), (16, 1026330), (20, 821064), (24, 684220), (30, 547376), (32, 513165), (40, 410532), (48, 342110), (60, 273688), (80, 205266), (96, 171055), (120, 136844), (160, 102633), (240, 68422), (480, 34211)]

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