1280386320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5334943}}^1$

素因数の和:5334959

約数の個数: 40

約数和(自身を含む): 3969198336

約数和(自身を除く): 2688812016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5334943, 10669886, 16004829, 21339772, 26674715, 32009658, 42679544, 53349430, 64019316, 80024145, 85359088, 106698860, 128038632, 160048290, 213397720, 256077264, 320096580, 426795440, 640193160, 1280386320]

約数ペア:

[(1, 1280386320), (2, 640193160), (3, 426795440), (4, 320096580), (5, 256077264), (6, 213397720), (8, 160048290), (10, 128038632), (12, 106698860), (15, 85359088), (16, 80024145), (20, 64019316), (24, 53349430), (30, 42679544), (40, 32009658), (48, 26674715), (60, 21339772), (80, 16004829), (120, 10669886), (240, 5334943)]