About the Number

131307240

131307239 ← → 131307241

2進数表記:111110100111001011011101000

漢数字表記:一億三千百三十万七千二百四十

素因数分解:

2 3 × 3 1 × 5 1 × 179 1 × 6113 1

素因数の和:6306
約数の個数: 64
約数和(自身を含む): 396187200
約数和(自身を除く): 264879960

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 895, 1074, 1432, 1790, 2148, 2685, 3580, 4296, 5370, 6113, 7160, 10740, 12226, 18339, 21480, 24452, 30565, 36678, 48904, 61130, 73356, 91695, 122260, 146712, 183390, 244520, 366780, 733560, 1094227, 2188454, 3282681, 4376908, 5471135, 6565362, 8753816, 10942270, 13130724, 16413405, 21884540, 26261448, 32826810, 43769080, 65653620, 131307240]

約数ペア:
[(1, 131307240), (2, 65653620), (3, 43769080), (4, 32826810), (5, 26261448), (6, 21884540), (8, 16413405), (10, 13130724), (12, 10942270), (15, 8753816), (20, 6565362), (24, 5471135), (30, 4376908), (40, 3282681), (60, 2188454), (120, 1094227), (179, 733560), (358, 366780), (537, 244520), (716, 183390), (895, 146712), (1074, 122260), (1432, 91695), (1790, 73356), (2148, 61130), (2685, 48904), (3580, 36678), (4296, 30565), (5370, 24452), (6113, 21480), (7160, 18339), (10740, 12226)]

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