About the Number

130402680

130402679 ← → 130402681

2進数表記:111110001011100100101111000

漢数字表記:一億三千四十万二千六百八十

素因数分解:

2 3 × 3 1 × 5 1 × 1086689 1

素因数の和:1086703
約数の個数: 32
約数和(自身を含む): 391208400
約数和(自身を除く): 260805720

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1086689, 2173378, 3260067, 4346756, 5433445, 6520134, 8693512, 10866890, 13040268, 16300335, 21733780, 26080536, 32600670, 43467560, 65201340, 130402680]

約数ペア:
[(1, 130402680), (2, 65201340), (3, 43467560), (4, 32600670), (5, 26080536), (6, 21733780), (8, 16300335), (10, 13040268), (12, 10866890), (15, 8693512), (20, 6520134), (24, 5433445), (30, 4346756), (40, 3260067), (60, 2173378), (120, 1086689)]

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