2591120

素因数分解:

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

素因数の和:688

約数の個数: 60

約数和(自身を含む): 7018524

約数和(自身を除く): 4427404

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, 661, 784, 980, 1322, 1960, 2644, 3305, 3920, 4627, 5288, 6610, 9254, 10576, 13220, 18508, 23135, 26440, 32389, 37016, 46270, 52880, 64778, 74032, 92540, 129556, 161945, 185080, 259112, 323890, 370160, 518224, 647780, 1295560, 2591120]

約数ペア:

[(1, 2591120), (2, 1295560), (4, 647780), (5, 518224), (7, 370160), (8, 323890), (10, 259112), (14, 185080), (16, 161945), (20, 129556), (28, 92540), (35, 74032), (40, 64778), (49, 52880), (56, 46270), (70, 37016), (80, 32389), (98, 26440), (112, 23135), (140, 18508), (196, 13220), (245, 10576), (280, 9254), (392, 6610), (490, 5288), (560, 4627), (661, 3920), (784, 3305), (980, 2644), (1322, 1960)]