About the Number

13081680

13081679 ← → 13081681

2進数表記:110001111001110001010000

漢数字表記:千三百八万千六百八十

素因数分解:

2 4 × 3 2 × 5 1 × 18169 1

素因数の和:18188
約数の個数: 60
約数和(自身を含む): 43935060
約数和(自身を除く): 30853380

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 18169, 36338, 54507, 72676, 90845, 109014, 145352, 163521, 181690, 218028, 272535, 290704, 327042, 363380, 436056, 545070, 654084, 726760, 817605, 872112, 1090140, 1308168, 1453520, 1635210, 2180280, 2616336, 3270420, 4360560, 6540840, 13081680]

約数ペア:
[(1, 13081680), (2, 6540840), (3, 4360560), (4, 3270420), (5, 2616336), (6, 2180280), (8, 1635210), (9, 1453520), (10, 1308168), (12, 1090140), (15, 872112), (16, 817605), (18, 726760), (20, 654084), (24, 545070), (30, 436056), (36, 363380), (40, 327042), (45, 290704), (48, 272535), (60, 218028), (72, 181690), (80, 163521), (90, 145352), (120, 109014), (144, 90845), (180, 72676), (240, 54507), (360, 36338), (720, 18169)]

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