81215790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{7757}}^1$

素因数の和:8116

約数の個数: 32

約数和(自身を含む): 195501600

約数和(自身を除く): 114285810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 349, 698, 1047, 1745, 2094, 3490, 5235, 7757, 10470, 15514, 23271, 38785, 46542, 77570, 116355, 232710, 2707193, 5414386, 8121579, 13535965, 16243158, 27071930, 40607895, 81215790]

約数ペア:

[(1, 81215790), (2, 40607895), (3, 27071930), (5, 16243158), (6, 13535965), (10, 8121579), (15, 5414386), (30, 2707193), (349, 232710), (698, 116355), (1047, 77570), (1745, 46542), (2094, 38785), (3490, 23271), (5235, 15514), (7757, 10470)]