About the Number

26872380

26872379 ← → 26872381

2進数表記:1100110100000101000111100

漢数字表記:二千六百八十七万二千三百八十

素因数分解:

2 2 × 3 2 × 5 1 × 337 1 × 443 1

素因数の和:795
約数の個数: 72
約数和(自身を含む): 81939312
約数和(自身を除く): 55066932

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 443, 674, 886, 1011, 1329, 1348, 1685, 1772, 2022, 2215, 2658, 3033, 3370, 3987, 4044, 4430, 5055, 5316, 6066, 6645, 6740, 7974, 8860, 10110, 12132, 13290, 15165, 15948, 19935, 20220, 26580, 30330, 39870, 60660, 79740, 149291, 298582, 447873, 597164, 746455, 895746, 1343619, 1492910, 1791492, 2239365, 2687238, 2985820, 4478730, 5374476, 6718095, 8957460, 13436190, 26872380]

約数ペア:
[(1, 26872380), (2, 13436190), (3, 8957460), (4, 6718095), (5, 5374476), (6, 4478730), (9, 2985820), (10, 2687238), (12, 2239365), (15, 1791492), (18, 1492910), (20, 1343619), (30, 895746), (36, 746455), (45, 597164), (60, 447873), (90, 298582), (180, 149291), (337, 79740), (443, 60660), (674, 39870), (886, 30330), (1011, 26580), (1329, 20220), (1348, 19935), (1685, 15948), (1772, 15165), (2022, 13290), (2215, 12132), (2658, 10110), (3033, 8860), (3370, 7974), (3987, 6740), (4044, 6645), (4430, 6066), (5055, 5316)]

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