About the Number

81680928

81680927 ← → 81680929

2進数表記:100110111100101101000100000

漢数字表記:八千百六十八万九百二十八

素因数分解:

2 5 × 3 1 × 7 1 × 197 1 × 617 1

素因数の和:834
約数の個数: 96
約数和(自身を含む): 246685824
約数和(自身を除く): 165004896

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 197, 224, 336, 394, 591, 617, 672, 788, 1182, 1234, 1379, 1576, 1851, 2364, 2468, 2758, 3152, 3702, 4137, 4319, 4728, 4936, 5516, 6304, 7404, 8274, 8638, 9456, 9872, 11032, 12957, 14808, 16548, 17276, 18912, 19744, 22064, 25914, 29616, 33096, 34552, 44128, 51828, 59232, 66192, 69104, 103656, 121549, 132384, 138208, 207312, 243098, 364647, 414624, 486196, 729294, 850843, 972392, 1458588, 1701686, 1944784, 2552529, 2917176, 3403372, 3889568, 5105058, 5834352, 6806744, 10210116, 11668704, 13613488, 20420232, 27226976, 40840464, 81680928]

約数ペア:
[(1, 81680928), (2, 40840464), (3, 27226976), (4, 20420232), (6, 13613488), (7, 11668704), (8, 10210116), (12, 6806744), (14, 5834352), (16, 5105058), (21, 3889568), (24, 3403372), (28, 2917176), (32, 2552529), (42, 1944784), (48, 1701686), (56, 1458588), (84, 972392), (96, 850843), (112, 729294), (168, 486196), (197, 414624), (224, 364647), (336, 243098), (394, 207312), (591, 138208), (617, 132384), (672, 121549), (788, 103656), (1182, 69104), (1234, 66192), (1379, 59232), (1576, 51828), (1851, 44128), (2364, 34552), (2468, 33096), (2758, 29616), (3152, 25914), (3702, 22064), (4137, 19744), (4319, 18912), (4728, 17276), (4936, 16548), (5516, 14808), (6304, 12957), (7404, 11032), (8274, 9872), (8638, 9456)]

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