81502920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226397}}^1$

素因数の和:226414

約数の個数: 48

約数和(自身を含む): 264885660

約数和(自身を除く): 183382740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226397, 452794, 679191, 905588, 1131985, 1358382, 1811176, 2037573, 2263970, 2716764, 3395955, 4075146, 4527940, 5433528, 6791910, 8150292, 9055880, 10187865, 13583820, 16300584, 20375730, 27167640, 40751460, 81502920]

約数ペア:

[(1, 81502920), (2, 40751460), (3, 27167640), (4, 20375730), (5, 16300584), (6, 13583820), (8, 10187865), (9, 9055880), (10, 8150292), (12, 6791910), (15, 5433528), (18, 4527940), (20, 4075146), (24, 3395955), (30, 2716764), (36, 2263970), (40, 2037573), (45, 1811176), (60, 1358382), (72, 1131985), (90, 905588), (120, 679191), (180, 452794), (360, 226397)]