About the Number

13981680

13981679 ← → 13981681

2進数表記:110101010101011111110000

漢数字表記:千三百九十八万千六百八十

素因数分解:

2 4 × 3 3 × 5 1 × 6473 1

素因数の和:6495
約数の個数: 80
約数和(自身を含む): 48166560
約数和(自身を除く): 34184880

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 6473, 12946, 19419, 25892, 32365, 38838, 51784, 58257, 64730, 77676, 97095, 103568, 116514, 129460, 155352, 174771, 194190, 233028, 258920, 291285, 310704, 349542, 388380, 466056, 517840, 582570, 699084, 776760, 873855, 932112, 1165140, 1398168, 1553520, 1747710, 2330280, 2796336, 3495420, 4660560, 6990840, 13981680]

約数ペア:
[(1, 13981680), (2, 6990840), (3, 4660560), (4, 3495420), (5, 2796336), (6, 2330280), (8, 1747710), (9, 1553520), (10, 1398168), (12, 1165140), (15, 932112), (16, 873855), (18, 776760), (20, 699084), (24, 582570), (27, 517840), (30, 466056), (36, 388380), (40, 349542), (45, 310704), (48, 291285), (54, 258920), (60, 233028), (72, 194190), (80, 174771), (90, 155352), (108, 129460), (120, 116514), (135, 103568), (144, 97095), (180, 77676), (216, 64730), (240, 58257), (270, 51784), (360, 38838), (432, 32365), (540, 25892), (720, 19419), (1080, 12946), (2160, 6473)]

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