720154120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2571979}}^1$

素因数の和:2571997

約数の個数: 32

約数和(自身を含む): 1851825600

約数和(自身を除く): 1131671480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2571979, 5143958, 10287916, 12859895, 18003853, 20575832, 25719790, 36007706, 51439580, 72015412, 90019265, 102879160, 144030824, 180038530, 360077060, 720154120]

約数ペア:

[(1, 720154120), (2, 360077060), (4, 180038530), (5, 144030824), (7, 102879160), (8, 90019265), (10, 72015412), (14, 51439580), (20, 36007706), (28, 25719790), (35, 20575832), (40, 18003853), (56, 12859895), (70, 10287916), (140, 5143958), (280, 2571979)]