About the Number

31080

31079 ← → 31081

2進数表記:111100101101000

漢数字表記:三万千八十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 37 1

素因数の和:58
約数の個数: 64
約数和(自身を含む): 109440
約数和(自身を除く): 78360

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 10360, 15540, 31080]

約数ペア:
[(1, 31080), (2, 15540), (3, 10360), (4, 7770), (5, 6216), (6, 5180), (7, 4440), (8, 3885), (10, 3108), (12, 2590), (14, 2220), (15, 2072), (20, 1554), (21, 1480), (24, 1295), (28, 1110), (30, 1036), (35, 888), (37, 840), (40, 777), (42, 740), (56, 555), (60, 518), (70, 444), (74, 420), (84, 370), (105, 296), (111, 280), (120, 259), (140, 222), (148, 210), (168, 185)]

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