81610140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5419}}^1$

素因数の和:5682

約数の個数: 48

約数和(自身を含む): 229461120

約数和(自身を除く): 147850980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 2510, 3012, 3765, 5020, 5419, 7530, 10838, 15060, 16257, 21676, 27095, 32514, 54190, 65028, 81285, 108380, 162570, 325140, 1360169, 2720338, 4080507, 5440676, 6800845, 8161014, 13601690, 16322028, 20402535, 27203380, 40805070, 81610140]

約数ペア:

[(1, 81610140), (2, 40805070), (3, 27203380), (4, 20402535), (5, 16322028), (6, 13601690), (10, 8161014), (12, 6800845), (15, 5440676), (20, 4080507), (30, 2720338), (60, 1360169), (251, 325140), (502, 162570), (753, 108380), (1004, 81285), (1255, 65028), (1506, 54190), (2510, 32514), (3012, 27095), (3765, 21676), (5020, 16257), (5419, 15060), (7530, 10838)]