78628480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17551}}^1$

素因数の和:17577

約数の個数: 64

約数和(自身を含む): 214836480

約数和(自身を除く): 136208000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17551, 35102, 70204, 87755, 122857, 140408, 175510, 245714, 280816, 351020, 491428, 561632, 614285, 702040, 982856, 1123264, 1228570, 1404080, 1965712, 2246528, 2457140, 2808160, 3931424, 4914280, 5616320, 7862848, 9828560, 11232640, 15725696, 19657120, 39314240, 78628480]

約数ペア:

[(1, 78628480), (2, 39314240), (4, 19657120), (5, 15725696), (7, 11232640), (8, 9828560), (10, 7862848), (14, 5616320), (16, 4914280), (20, 3931424), (28, 2808160), (32, 2457140), (35, 2246528), (40, 1965712), (56, 1404080), (64, 1228570), (70, 1123264), (80, 982856), (112, 702040), (128, 614285), (140, 561632), (160, 491428), (224, 351020), (280, 280816), (320, 245714), (448, 175510), (560, 140408), (640, 122857), (896, 87755), (1120, 70204), (2240, 35102), (4480, 17551)]