7757680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{1979}}^1$

素因数の和:2006

約数の個数: 60

約数和(自身を含む): 20991960

約数和(自身を除く): 13234280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 1979, 3920, 3958, 7916, 9895, 13853, 15832, 19790, 27706, 31664, 39580, 55412, 69265, 79160, 96971, 110824, 138530, 158320, 193942, 221648, 277060, 387884, 484855, 554120, 775768, 969710, 1108240, 1551536, 1939420, 3878840, 7757680]

約数ペア:

[(1, 7757680), (2, 3878840), (4, 1939420), (5, 1551536), (7, 1108240), (8, 969710), (10, 775768), (14, 554120), (16, 484855), (20, 387884), (28, 277060), (35, 221648), (40, 193942), (49, 158320), (56, 138530), (70, 110824), (80, 96971), (98, 79160), (112, 69265), (140, 55412), (196, 39580), (245, 31664), (280, 27706), (392, 19790), (490, 15832), (560, 13853), (784, 9895), (980, 7916), (1960, 3958), (1979, 3920)]