About the Number

123912480

123912479 ← → 123912481

2進数表記:111011000101100000100100000

漢数字表記:一億二千三百九十一万二千四百八十

素因数分解:

2 5 × 3 1 × 5 1 × 67 1 × 3853 1

素因数の和:3938
約数の個数: 96
約数和(自身を含む): 396252864
約数和(自身を除く): 272340384

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 67, 80, 96, 120, 134, 160, 201, 240, 268, 335, 402, 480, 536, 670, 804, 1005, 1072, 1340, 1608, 2010, 2144, 2680, 3216, 3853, 4020, 5360, 6432, 7706, 8040, 10720, 11559, 15412, 16080, 19265, 23118, 30824, 32160, 38530, 46236, 57795, 61648, 77060, 92472, 115590, 123296, 154120, 184944, 231180, 258151, 308240, 369888, 462360, 516302, 616480, 774453, 924720, 1032604, 1290755, 1548906, 1849440, 2065208, 2581510, 3097812, 3872265, 4130416, 5163020, 6195624, 7744530, 8260832, 10326040, 12391248, 15489060, 20652080, 24782496, 30978120, 41304160, 61956240, 123912480]

約数ペア:
[(1, 123912480), (2, 61956240), (3, 41304160), (4, 30978120), (5, 24782496), (6, 20652080), (8, 15489060), (10, 12391248), (12, 10326040), (15, 8260832), (16, 7744530), (20, 6195624), (24, 5163020), (30, 4130416), (32, 3872265), (40, 3097812), (48, 2581510), (60, 2065208), (67, 1849440), (80, 1548906), (96, 1290755), (120, 1032604), (134, 924720), (160, 774453), (201, 616480), (240, 516302), (268, 462360), (335, 369888), (402, 308240), (480, 258151), (536, 231180), (670, 184944), (804, 154120), (1005, 123296), (1072, 115590), (1340, 92472), (1608, 77060), (2010, 61648), (2144, 57795), (2680, 46236), (3216, 38530), (3853, 32160), (4020, 30824), (5360, 23118), (6432, 19265), (7706, 16080), (8040, 15412), (10720, 11559)]

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