81266160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338609}}^1$

素因数の和:338625

約数の個数: 40

約数和(自身を含む): 251925840

約数和(自身を除く): 170659680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338609, 677218, 1015827, 1354436, 1693045, 2031654, 2708872, 3386090, 4063308, 5079135, 5417744, 6772180, 8126616, 10158270, 13544360, 16253232, 20316540, 27088720, 40633080, 81266160]

約数ペア:

[(1, 81266160), (2, 40633080), (3, 27088720), (4, 20316540), (5, 16253232), (6, 13544360), (8, 10158270), (10, 8126616), (12, 6772180), (15, 5417744), (16, 5079135), (20, 4063308), (24, 3386090), (30, 2708872), (40, 2031654), (48, 1693045), (60, 1354436), (80, 1015827), (120, 677218), (240, 338609)]