87090720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{181439}}^1$

素因数の和:181457

約数の個数: 48

約数和(自身を含む): 274337280

約数和(自身を除く): 187246560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 181439, 362878, 544317, 725756, 907195, 1088634, 1451512, 1814390, 2177268, 2721585, 2903024, 3628780, 4354536, 5443170, 5806048, 7257560, 8709072, 10886340, 14515120, 17418144, 21772680, 29030240, 43545360, 87090720]

約数ペア:

[(1, 87090720), (2, 43545360), (3, 29030240), (4, 21772680), (5, 17418144), (6, 14515120), (8, 10886340), (10, 8709072), (12, 7257560), (15, 5806048), (16, 5443170), (20, 4354536), (24, 3628780), (30, 2903024), (32, 2721585), (40, 2177268), (48, 1814390), (60, 1451512), (80, 1088634), (96, 907195), (120, 725756), (160, 544317), (240, 362878), (480, 181439)]