About the Number

87480090

87480089 ← → 87480091

2進数表記:101001101101101011100011010

漢数字表記:八千七百四十八万九十

素因数分解:

2 1 × 3 2 × 5 1 × 972001 1

素因数の和:972014
約数の個数: 24
約数和(自身を含む): 227448468
約数和(自身を除く): 139968378

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 972001, 1944002, 2916003, 4860005, 5832006, 8748009, 9720010, 14580015, 17496018, 29160030, 43740045, 87480090]

約数ペア:
[(1, 87480090), (2, 43740045), (3, 29160030), (5, 17496018), (6, 14580015), (9, 9720010), (10, 8748009), (15, 5832006), (18, 4860005), (30, 2916003), (45, 1944002), (90, 972001)]

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