81909540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{455053}}^1$

素因数の和:455068

約数の個数: 36

約数和(自身を含む): 248459484

約数和(自身を除く): 166549944

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 455053, 910106, 1365159, 1820212, 2275265, 2730318, 4095477, 4550530, 5460636, 6825795, 8190954, 9101060, 13651590, 16381908, 20477385, 27303180, 40954770, 81909540]

約数ペア:

[(1, 81909540), (2, 40954770), (3, 27303180), (4, 20477385), (5, 16381908), (6, 13651590), (9, 9101060), (10, 8190954), (12, 6825795), (15, 5460636), (18, 4550530), (20, 4095477), (30, 2730318), (36, 2275265), (45, 1820212), (60, 1365159), (90, 910106), (180, 455053)]