81505230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{37217}}^1$

素因数の和:37300

約数の個数: 32

約数和(自身を含む): 198297504

約数和(自身を除く): 116792274

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 37217, 74434, 111651, 186085, 223302, 372170, 558255, 1116510, 2716841, 5433682, 8150523, 13584205, 16301046, 27168410, 40752615, 81505230]

約数ペア:

[(1, 81505230), (2, 40752615), (3, 27168410), (5, 16301046), (6, 13584205), (10, 8150523), (15, 5433682), (30, 2716841), (73, 1116510), (146, 558255), (219, 372170), (365, 223302), (438, 186085), (730, 111651), (1095, 74434), (2190, 37217)]