64670520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{538921}}^1$

素因数の和:538935

約数の個数: 32

約数和(自身を含む): 194011920

約数和(自身を除く): 129341400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 538921, 1077842, 1616763, 2155684, 2694605, 3233526, 4311368, 5389210, 6467052, 8083815, 10778420, 12934104, 16167630, 21556840, 32335260, 64670520]

約数ペア:

[(1, 64670520), (2, 32335260), (3, 21556840), (4, 16167630), (5, 12934104), (6, 10778420), (8, 8083815), (10, 6467052), (12, 5389210), (15, 4311368), (20, 3233526), (24, 2694605), (30, 2155684), (40, 1616763), (60, 1077842), (120, 538921)]