About the Number

120579990

120579989 ← → 120579991

2進数表記:111001011111110011110010110

漢数字表記:一億二千五十七万九千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 331 1 × 12143 1

素因数の和:12484
約数の個数: 32
約数和(自身を含む): 290290176
約数和(自身を除く): 169710186

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 331, 662, 993, 1655, 1986, 3310, 4965, 9930, 12143, 24286, 36429, 60715, 72858, 121430, 182145, 364290, 4019333, 8038666, 12057999, 20096665, 24115998, 40193330, 60289995, 120579990]

約数ペア:
[(1, 120579990), (2, 60289995), (3, 40193330), (5, 24115998), (6, 20096665), (10, 12057999), (15, 8038666), (30, 4019333), (331, 364290), (662, 182145), (993, 121430), (1655, 72858), (1986, 60715), (3310, 36429), (4965, 24286), (9930, 12143)]

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