About the Number

127680090

127680089 ← → 127680091

2進数表記:111100111000011111001011010

漢数字表記:一億二千七百六十八万九十

素因数分解:

2 1 × 3 1 × 5 1 × 4256003 1

素因数の和:4256013
約数の個数: 16
約数和(自身を含む): 306432288
約数和(自身を除く): 178752198

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 4256003, 8512006, 12768009, 21280015, 25536018, 42560030, 63840045, 127680090]

約数ペア:
[(1, 127680090), (2, 63840045), (3, 42560030), (5, 25536018), (6, 21280015), (10, 12768009), (15, 8512006), (30, 4256003)]

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