15559660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 34221600

約数和(自身を除く): 18661940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 193, 278, 290, 386, 556, 580, 695, 772, 965, 1390, 1930, 2780, 3860, 4031, 5597, 8062, 11194, 16124, 20155, 22388, 26827, 27985, 40310, 53654, 55970, 80620, 107308, 111940, 134135, 268270, 536540, 777983, 1555966, 3111932, 3889915, 7779830, 15559660]

約数ペア:

[(1, 15559660), (2, 7779830), (4, 3889915), (5, 3111932), (10, 1555966), (20, 777983), (29, 536540), (58, 268270), (116, 134135), (139, 111940), (145, 107308), (193, 80620), (278, 55970), (290, 53654), (386, 40310), (556, 27985), (580, 26827), (695, 22388), (772, 20155), (965, 16124), (1390, 11194), (1930, 8062), (2780, 5597), (3860, 4031)]