About the Number

1321713072

1321713071 ← → 1321713073

2進数表記:1001110110001111011110110110000

漢数字表記:十三億二千百七十一万三千七十二

素因数分解:

2 4 × 3 3 × 109 1 × 28069 1

素因数の和:28195
約数の個数: 80
約数和(自身を含む): 3828748000
約数和(自身を除く): 2507034928

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 109, 144, 216, 218, 327, 432, 436, 654, 872, 981, 1308, 1744, 1962, 2616, 2943, 3924, 5232, 5886, 7848, 11772, 15696, 23544, 28069, 47088, 56138, 84207, 112276, 168414, 224552, 252621, 336828, 449104, 505242, 673656, 757863, 1010484, 1347312, 1515726, 2020968, 3031452, 3059521, 4041936, 6062904, 6119042, 9178563, 12125808, 12238084, 18357126, 24476168, 27535689, 36714252, 48952336, 55071378, 73428504, 82607067, 110142756, 146857008, 165214134, 220285512, 330428268, 440571024, 660856536, 1321713072]

約数ペア:
[(1, 1321713072), (2, 660856536), (3, 440571024), (4, 330428268), (6, 220285512), (8, 165214134), (9, 146857008), (12, 110142756), (16, 82607067), (18, 73428504), (24, 55071378), (27, 48952336), (36, 36714252), (48, 27535689), (54, 24476168), (72, 18357126), (108, 12238084), (109, 12125808), (144, 9178563), (216, 6119042), (218, 6062904), (327, 4041936), (432, 3059521), (436, 3031452), (654, 2020968), (872, 1515726), (981, 1347312), (1308, 1010484), (1744, 757863), (1962, 673656), (2616, 505242), (2943, 449104), (3924, 336828), (5232, 252621), (5886, 224552), (7848, 168414), (11772, 112276), (15696, 84207), (23544, 56138), (28069, 47088)]

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