2406040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 6672960

約数和(自身を除く): 4266920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 661, 728, 910, 1322, 1820, 2644, 3305, 3640, 4627, 5288, 6610, 8593, 9254, 13220, 17186, 18508, 23135, 26440, 34372, 37016, 42965, 46270, 60151, 68744, 85930, 92540, 120302, 171860, 185080, 240604, 300755, 343720, 481208, 601510, 1203020, 2406040]

約数ペア:

[(1, 2406040), (2, 1203020), (4, 601510), (5, 481208), (7, 343720), (8, 300755), (10, 240604), (13, 185080), (14, 171860), (20, 120302), (26, 92540), (28, 85930), (35, 68744), (40, 60151), (52, 46270), (56, 42965), (65, 37016), (70, 34372), (91, 26440), (104, 23135), (130, 18508), (140, 17186), (182, 13220), (260, 9254), (280, 8593), (364, 6610), (455, 5288), (520, 4627), (661, 3640), (728, 3305), (910, 2644), (1322, 1820)]