About the Number

161289072

161289071 ← → 161289073

2進数表記:1001100111010001001101110000

漢数字表記:一億六千百二十八万九千七十二

素因数分解:

2 4 × 3 2 × 7 1 × 160009 1

素因数の和:160030
約数の個数: 60
約数和(自身を含む): 515872240
約数和(自身を除く): 354583168

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 160009, 320018, 480027, 640036, 960054, 1120063, 1280072, 1440081, 1920108, 2240126, 2560144, 2880162, 3360189, 3840216, 4480252, 5760324, 6720378, 7680432, 8960504, 10080567, 11520648, 13440756, 17921008, 20161134, 23041296, 26881512, 40322268, 53763024, 80644536, 161289072]

約数ペア:
[(1, 161289072), (2, 80644536), (3, 53763024), (4, 40322268), (6, 26881512), (7, 23041296), (8, 20161134), (9, 17921008), (12, 13440756), (14, 11520648), (16, 10080567), (18, 8960504), (21, 7680432), (24, 6720378), (28, 5760324), (36, 4480252), (42, 3840216), (48, 3360189), (56, 2880162), (63, 2560144), (72, 2240126), (84, 1920108), (112, 1440081), (126, 1280072), (144, 1120063), (168, 960054), (252, 640036), (336, 480027), (504, 320018), (1008, 160009)]

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