7720470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 20283120

約数和(自身を除く): 12562650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 787, 981, 1090, 1574, 1635, 1962, 2361, 3270, 3935, 4722, 4905, 7083, 7870, 9810, 11805, 14166, 23610, 35415, 70830, 85783, 171566, 257349, 428915, 514698, 772047, 857830, 1286745, 1544094, 2573490, 3860235, 7720470]

約数ペア:

[(1, 7720470), (2, 3860235), (3, 2573490), (5, 1544094), (6, 1286745), (9, 857830), (10, 772047), (15, 514698), (18, 428915), (30, 257349), (45, 171566), (90, 85783), (109, 70830), (218, 35415), (327, 23610), (545, 14166), (654, 11805), (787, 9810), (981, 7870), (1090, 7083), (1574, 4905), (1635, 4722), (1962, 3935), (2361, 3270)]