About the Number

122720448

122720447 ← → 122720449

2進数表記:111010100001001000011000000

漢数字表記:一億二千二百七十二万四百四十八

素因数分解:

2 6 × 3 1 × 639169 1

素因数の和:639184
約数の個数: 28
約数和(自身を含む): 324698360
約数和(自身を除く): 201977912

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 639169, 1278338, 1917507, 2556676, 3835014, 5113352, 7670028, 10226704, 15340056, 20453408, 30680112, 40906816, 61360224, 122720448]

約数ペア:
[(1, 122720448), (2, 61360224), (3, 40906816), (4, 30680112), (6, 20453408), (8, 15340056), (12, 10226704), (16, 7670028), (24, 5113352), (32, 3835014), (48, 2556676), (64, 1917507), (96, 1278338), (192, 639169)]

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