81372240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113017}}^1$

素因数の和:113036

約数の個数: 60

約数和(自身を含む): 273277524

約数和(自身を除く): 191905284

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113017, 226034, 339051, 452068, 565085, 678102, 904136, 1017153, 1130170, 1356204, 1695255, 1808272, 2034306, 2260340, 2712408, 3390510, 4068612, 4520680, 5085765, 5424816, 6781020, 8137224, 9041360, 10171530, 13562040, 16274448, 20343060, 27124080, 40686120, 81372240]

約数ペア:

[(1, 81372240), (2, 40686120), (3, 27124080), (4, 20343060), (5, 16274448), (6, 13562040), (8, 10171530), (9, 9041360), (10, 8137224), (12, 6781020), (15, 5424816), (16, 5085765), (18, 4520680), (20, 4068612), (24, 3390510), (30, 2712408), (36, 2260340), (40, 2034306), (45, 1808272), (48, 1695255), (60, 1356204), (72, 1130170), (80, 1017153), (90, 904136), (120, 678102), (144, 565085), (180, 452068), (240, 339051), (360, 226034), (720, 113017)]