81663810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73571}}^1$

素因数の和:73618

約数の個数: 32

約数和(自身を含む): 201292992

約数和(自身を除く): 119629182

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 73571, 147142, 220713, 367855, 441426, 735710, 1103565, 2207130, 2722127, 5444254, 8166381, 13610635, 16332762, 27221270, 40831905, 81663810]

約数ペア:

[(1, 81663810), (2, 40831905), (3, 27221270), (5, 16332762), (6, 13610635), (10, 8166381), (15, 5444254), (30, 2722127), (37, 2207130), (74, 1103565), (111, 735710), (185, 441426), (222, 367855), (370, 220713), (555, 147142), (1110, 73571)]