About the Number

68042640

68042639 ← → 68042641

2進数表記:100000011100011111110010000

漢数字表記:六千八百四万二千六百四十

素因数分解:

2 4 × 3 1 × 5 1 × 283511 1

素因数の和:283527
約数の個数: 40
約数和(自身を含む): 210932928
約数和(自身を除く): 142890288

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 283511, 567022, 850533, 1134044, 1417555, 1701066, 2268088, 2835110, 3402132, 4252665, 4536176, 5670220, 6804264, 8505330, 11340440, 13608528, 17010660, 22680880, 34021320, 68042640]

約数ペア:
[(1, 68042640), (2, 34021320), (3, 22680880), (4, 17010660), (5, 13608528), (6, 11340440), (8, 8505330), (10, 6804264), (12, 5670220), (15, 4536176), (16, 4252665), (20, 3402132), (24, 2835110), (30, 2268088), (40, 1701066), (48, 1417555), (60, 1134044), (80, 850533), (120, 567022), (240, 283511)]

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