81396360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75367}}^1$

素因数の和:75387

約数の個数: 64

約数和(自身を含む): 271324800

約数和(自身を除く): 189928440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75367, 150734, 226101, 301468, 376835, 452202, 602936, 678303, 753670, 904404, 1130505, 1356606, 1507340, 1808808, 2034909, 2261010, 2713212, 3014680, 3391515, 4069818, 4522020, 5426424, 6783030, 8139636, 9044040, 10174545, 13566060, 16279272, 20349090, 27132120, 40698180, 81396360]

約数ペア:

[(1, 81396360), (2, 40698180), (3, 27132120), (4, 20349090), (5, 16279272), (6, 13566060), (8, 10174545), (9, 9044040), (10, 8139636), (12, 6783030), (15, 5426424), (18, 4522020), (20, 4069818), (24, 3391515), (27, 3014680), (30, 2713212), (36, 2261010), (40, 2034909), (45, 1808808), (54, 1507340), (60, 1356606), (72, 1130505), (90, 904404), (108, 753670), (120, 678303), (135, 602936), (180, 452202), (216, 376835), (270, 301468), (360, 226101), (540, 150734), (1080, 75367)]