72945540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{405253}}^1$

素因数の和:405268

約数の個数: 36

約数和(自身を含む): 221268684

約数和(自身を除く): 148323144

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 405253, 810506, 1215759, 1621012, 2026265, 2431518, 3647277, 4052530, 4863036, 6078795, 7294554, 8105060, 12157590, 14589108, 18236385, 24315180, 36472770, 72945540]

約数ペア:

[(1, 72945540), (2, 36472770), (3, 24315180), (4, 18236385), (5, 14589108), (6, 12157590), (9, 8105060), (10, 7294554), (12, 6078795), (15, 4863036), (18, 4052530), (20, 3647277), (30, 2431518), (36, 2026265), (45, 1621012), (60, 1215759), (90, 810506), (180, 405253)]