26658780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 74868864

約数和(自身を除く): 48210084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 691, 1286, 1382, 1929, 2073, 2572, 2764, 3215, 3455, 3858, 4146, 6430, 6910, 7716, 8292, 9645, 10365, 12860, 13820, 19290, 20730, 38580, 41460, 444313, 888626, 1332939, 1777252, 2221565, 2665878, 4443130, 5331756, 6664695, 8886260, 13329390, 26658780]

約数ペア:

[(1, 26658780), (2, 13329390), (3, 8886260), (4, 6664695), (5, 5331756), (6, 4443130), (10, 2665878), (12, 2221565), (15, 1777252), (20, 1332939), (30, 888626), (60, 444313), (643, 41460), (691, 38580), (1286, 20730), (1382, 19290), (1929, 13820), (2073, 12860), (2572, 10365), (2764, 9645), (3215, 8292), (3455, 7716), (3858, 6910), (4146, 6430)]