158983720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{859}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 409910400

約数和(自身を除く): 250926680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 661, 859, 1322, 1718, 2644, 3305, 3436, 4295, 4627, 5288, 6013, 6610, 6872, 8590, 9254, 12026, 13220, 17180, 18508, 23135, 24052, 26440, 30065, 34360, 37016, 46270, 48104, 60130, 92540, 120260, 185080, 240520, 567799, 1135598, 2271196, 2838995, 3974593, 4542392, 5677990, 7949186, 11355980, 15898372, 19872965, 22711960, 31796744, 39745930, 79491860, 158983720]

約数ペア:

[(1, 158983720), (2, 79491860), (4, 39745930), (5, 31796744), (7, 22711960), (8, 19872965), (10, 15898372), (14, 11355980), (20, 7949186), (28, 5677990), (35, 4542392), (40, 3974593), (56, 2838995), (70, 2271196), (140, 1135598), (280, 567799), (661, 240520), (859, 185080), (1322, 120260), (1718, 92540), (2644, 60130), (3305, 48104), (3436, 46270), (4295, 37016), (4627, 34360), (5288, 30065), (6013, 26440), (6610, 24052), (6872, 23135), (8590, 18508), (9254, 17180), (12026, 13220)]