64037680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 171399744

約数和(自身を除く): 107362064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 280, 346, 560, 661, 692, 865, 1211, 1322, 1384, 1730, 2422, 2644, 2768, 3305, 3460, 4627, 4844, 5288, 6055, 6610, 6920, 9254, 9688, 10576, 12110, 13220, 13840, 18508, 19376, 23135, 24220, 26440, 37016, 46270, 48440, 52880, 74032, 92540, 96880, 114353, 185080, 228706, 370160, 457412, 571765, 800471, 914824, 1143530, 1600942, 1829648, 2287060, 3201884, 4002355, 4574120, 6403768, 8004710, 9148240, 12807536, 16009420, 32018840, 64037680]

約数ペア:

[(1, 64037680), (2, 32018840), (4, 16009420), (5, 12807536), (7, 9148240), (8, 8004710), (10, 6403768), (14, 4574120), (16, 4002355), (20, 3201884), (28, 2287060), (35, 1829648), (40, 1600942), (56, 1143530), (70, 914824), (80, 800471), (112, 571765), (140, 457412), (173, 370160), (280, 228706), (346, 185080), (560, 114353), (661, 96880), (692, 92540), (865, 74032), (1211, 52880), (1322, 48440), (1384, 46270), (1730, 37016), (2422, 26440), (2644, 24220), (2768, 23135), (3305, 19376), (3460, 18508), (4627, 13840), (4844, 13220), (5288, 12110), (6055, 10576), (6610, 9688), (6920, 9254)]