320520078

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{27103}}^1$

素因数の和:27190

約数の個数: 40

約数和(自身を含む): 728067648

約数和(自身を除く): 407547570

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1971, 3942, 5913, 11826, 27103, 54206, 81309, 162618, 243927, 487854, 731781, 1463562, 1978519, 2195343, 3957038, 4390686, 5935557, 11871114, 17806671, 35613342, 53420013, 106840026, 160260039, 320520078]

約数ペア:

[(1, 320520078), (2, 160260039), (3, 106840026), (6, 53420013), (9, 35613342), (18, 17806671), (27, 11871114), (54, 5935557), (73, 4390686), (81, 3957038), (146, 2195343), (162, 1978519), (219, 1463562), (438, 731781), (657, 487854), (1314, 243927), (1971, 162618), (3942, 81309), (5913, 54206), (11826, 27103)]