81438030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{904867}}^1$

素因数の和:904880

約数の個数: 24

約数和(自身を含む): 211739112

約数和(自身を除く): 130301082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 904867, 1809734, 2714601, 4524335, 5429202, 8143803, 9048670, 13573005, 16287606, 27146010, 40719015, 81438030]

約数ペア:

[(1, 81438030), (2, 40719015), (3, 27146010), (5, 16287606), (6, 13573005), (9, 9048670), (10, 8143803), (15, 5429202), (18, 4524335), (30, 2714601), (45, 1809734), (90, 904867)]