81396720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113051}}^1$

素因数の和:113070

約数の個数: 60

約数和(自身を含む): 273359736

約数和(自身を除く): 191963016

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, 113051, 226102, 339153, 452204, 565255, 678306, 904408, 1017459, 1130510, 1356612, 1695765, 1808816, 2034918, 2261020, 2713224, 3391530, 4069836, 4522040, 5087295, 5426448, 6783060, 8139672, 9044080, 10174590, 13566120, 16279344, 20349180, 27132240, 40698360, 81396720]

約数ペア:

[(1, 81396720), (2, 40698360), (3, 27132240), (4, 20349180), (5, 16279344), (6, 13566120), (8, 10174590), (9, 9044080), (10, 8139672), (12, 6783060), (15, 5426448), (16, 5087295), (18, 4522040), (20, 4069836), (24, 3391530), (30, 2713224), (36, 2261020), (40, 2034918), (45, 1808816), (48, 1695765), (60, 1356612), (72, 1130510), (80, 1017459), (90, 904408), (120, 678306), (144, 565255), (180, 452204), (240, 339153), (360, 226102), (720, 113051)]