81780570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{302891}}^1$

素因数の和:302907

約数の個数: 32

約数和(自身を含む): 218082240

約数和(自身を除く): 136301670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 302891, 605782, 908673, 1514455, 1817346, 2726019, 3028910, 4543365, 5452038, 8178057, 9086730, 13630095, 16356114, 27260190, 40890285, 81780570]

約数ペア:

[(1, 81780570), (2, 40890285), (3, 27260190), (5, 16356114), (6, 13630095), (9, 9086730), (10, 8178057), (15, 5452038), (18, 4543365), (27, 3028910), (30, 2726019), (45, 1817346), (54, 1514455), (90, 908673), (135, 605782), (270, 302891)]