81912210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{7129}}^1$

素因数の和:7522

約数の個数: 32

約数和(自身を含む): 197130240

約数和(自身を除く): 115218030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 383, 766, 1149, 1915, 2298, 3830, 5745, 7129, 11490, 14258, 21387, 35645, 42774, 71290, 106935, 213870, 2730407, 5460814, 8191221, 13652035, 16382442, 27304070, 40956105, 81912210]

約数ペア:

[(1, 81912210), (2, 40956105), (3, 27304070), (5, 16382442), (6, 13652035), (10, 8191221), (15, 5460814), (30, 2730407), (383, 213870), (766, 106935), (1149, 71290), (1915, 42774), (2298, 35645), (3830, 21387), (5745, 14258), (7129, 11490)]