About the Number

1220880

1220879 ← → 1220881

2進数表記:100101010000100010000

漢数字表記:百二十二万八百八十

素因数分解:

2 4 × 3 1 × 5 1 × 5087 1

素因数の和:5103
約数の個数: 40
約数和(自身を含む): 3785472
約数和(自身を除く): 2564592

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5087, 10174, 15261, 20348, 25435, 30522, 40696, 50870, 61044, 76305, 81392, 101740, 122088, 152610, 203480, 244176, 305220, 406960, 610440, 1220880]

約数ペア:
[(1, 1220880), (2, 610440), (3, 406960), (4, 305220), (5, 244176), (6, 203480), (8, 152610), (10, 122088), (12, 101740), (15, 81392), (16, 76305), (20, 61044), (24, 50870), (30, 40696), (40, 30522), (48, 25435), (60, 20348), (80, 15261), (120, 10174), (240, 5087)]

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