217962960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{908179}}^1$

素因数の和:908195

約数の個数: 40

約数和(自身を含む): 675685920

約数和(自身を除く): 457722960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 908179, 1816358, 2724537, 3632716, 4540895, 5449074, 7265432, 9081790, 10898148, 13622685, 14530864, 18163580, 21796296, 27245370, 36327160, 43592592, 54490740, 72654320, 108981480, 217962960]

約数ペア:

[(1, 217962960), (2, 108981480), (3, 72654320), (4, 54490740), (5, 43592592), (6, 36327160), (8, 27245370), (10, 21796296), (12, 18163580), (15, 14530864), (16, 13622685), (20, 10898148), (24, 9081790), (30, 7265432), (40, 5449074), (48, 4540895), (60, 3632716), (80, 2724537), (120, 1816358), (240, 908179)]