197258640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{821911}}^1$

素因数の和:821927

約数の個数: 40

約数和(自身を含む): 611502528

約数和(自身を除く): 414243888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 821911, 1643822, 2465733, 3287644, 4109555, 4931466, 6575288, 8219110, 9862932, 12328665, 13150576, 16438220, 19725864, 24657330, 32876440, 39451728, 49314660, 65752880, 98629320, 197258640]

約数ペア:

[(1, 197258640), (2, 98629320), (3, 65752880), (4, 49314660), (5, 39451728), (6, 32876440), (8, 24657330), (10, 19725864), (12, 16438220), (15, 13150576), (16, 12328665), (20, 9862932), (24, 8219110), (30, 6575288), (40, 4931466), (48, 4109555), (60, 3287644), (80, 2465733), (120, 1643822), (240, 821911)]