About the Number

81009264

81009263 ← → 81009265

2進数表記:100110101000001101001110000

漢数字表記:八千百万九千二百六十四

素因数分解:

2 4 × 3 1 × 7 1 × 353 1 × 683 1

素因数の和:1054
約数の個数: 80
約数和(自身を含む): 240198912
約数和(自身を除く): 159189648

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 353, 683, 706, 1059, 1366, 1412, 2049, 2118, 2471, 2732, 2824, 4098, 4236, 4781, 4942, 5464, 5648, 7413, 8196, 8472, 9562, 9884, 10928, 14343, 14826, 16392, 16944, 19124, 19768, 28686, 29652, 32784, 38248, 39536, 57372, 59304, 76496, 114744, 118608, 229488, 241099, 482198, 723297, 964396, 1446594, 1687693, 1928792, 2893188, 3375386, 3857584, 5063079, 5786376, 6750772, 10126158, 11572752, 13501544, 20252316, 27003088, 40504632, 81009264]

約数ペア:
[(1, 81009264), (2, 40504632), (3, 27003088), (4, 20252316), (6, 13501544), (7, 11572752), (8, 10126158), (12, 6750772), (14, 5786376), (16, 5063079), (21, 3857584), (24, 3375386), (28, 2893188), (42, 1928792), (48, 1687693), (56, 1446594), (84, 964396), (112, 723297), (168, 482198), (336, 241099), (353, 229488), (683, 118608), (706, 114744), (1059, 76496), (1366, 59304), (1412, 57372), (2049, 39536), (2118, 38248), (2471, 32784), (2732, 29652), (2824, 28686), (4098, 19768), (4236, 19124), (4781, 16944), (4942, 16392), (5464, 14826), (5648, 14343), (7413, 10928), (8196, 9884), (8472, 9562)]

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