81312630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{387203}}^1$

素因数の和:387220

約数の個数: 32

約数和(自身を含む): 223029504

約数和(自身を除く): 141716874

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 387203, 774406, 1161609, 1936015, 2323218, 2710421, 3872030, 5420842, 5808045, 8131263, 11616090, 13552105, 16262526, 27104210, 40656315, 81312630]

約数ペア:

[(1, 81312630), (2, 40656315), (3, 27104210), (5, 16262526), (6, 13552105), (7, 11616090), (10, 8131263), (14, 5808045), (15, 5420842), (21, 3872030), (30, 2710421), (35, 2323218), (42, 1936015), (70, 1161609), (105, 774406), (210, 387203)]