61511240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219683}}^1$

素因数の和:219701

約数の個数: 32

約数和(自身を含む): 158172480

約数和(自身を除く): 96661240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219683, 439366, 878732, 1098415, 1537781, 1757464, 2196830, 3075562, 4393660, 6151124, 7688905, 8787320, 12302248, 15377810, 30755620, 61511240]

約数ペア:

[(1, 61511240), (2, 30755620), (4, 15377810), (5, 12302248), (7, 8787320), (8, 7688905), (10, 6151124), (14, 4393660), (20, 3075562), (28, 2196830), (35, 1757464), (40, 1537781), (56, 1098415), (70, 878732), (140, 439366), (280, 219683)]