About the Number

12945480

12945479 ← → 12945481

2進数表記:110001011000100001001000

漢数字表記:千二百九十四万五千四百八十

素因数分解:

2 3 × 3 1 × 5 1 × 233 1 × 463 1

素因数の和:710
約数の個数: 64
約数和(自身を含む): 39087360
約数和(自身を除く): 26141880

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 463, 466, 699, 926, 932, 1165, 1389, 1398, 1852, 1864, 2315, 2330, 2778, 2796, 3495, 3704, 4630, 4660, 5556, 5592, 6945, 6990, 9260, 9320, 11112, 13890, 13980, 18520, 27780, 27960, 55560, 107879, 215758, 323637, 431516, 539395, 647274, 863032, 1078790, 1294548, 1618185, 2157580, 2589096, 3236370, 4315160, 6472740, 12945480]

約数ペア:
[(1, 12945480), (2, 6472740), (3, 4315160), (4, 3236370), (5, 2589096), (6, 2157580), (8, 1618185), (10, 1294548), (12, 1078790), (15, 863032), (20, 647274), (24, 539395), (30, 431516), (40, 323637), (60, 215758), (120, 107879), (233, 55560), (463, 27960), (466, 27780), (699, 18520), (926, 13980), (932, 13890), (1165, 11112), (1389, 9320), (1398, 9260), (1852, 6990), (1864, 6945), (2315, 5592), (2330, 5556), (2778, 4660), (2796, 4630), (3495, 3704)]

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