204540885080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31761007}}^1$

素因数の和:31761048

約数の個数: 64

約数和(自身を含む): 548830218240

約数和(自身を除く): 344289333160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 31761007, 63522014, 127044028, 158805035, 222327049, 254088056, 317610070, 444654098, 635220140, 730503161, 889308196, 1111635245, 1270440280, 1461006322, 1778616392, 2223270490, 2922012644, 3652515805, 4446540980, 5113522127, 5844025288, 7305031610, 8893081960, 10227044254, 14610063220, 20454088508, 25567610635, 29220126440, 40908177016, 51135221270, 102270442540, 204540885080]

約数ペア:

[(1, 204540885080), (2, 102270442540), (4, 51135221270), (5, 40908177016), (7, 29220126440), (8, 25567610635), (10, 20454088508), (14, 14610063220), (20, 10227044254), (23, 8893081960), (28, 7305031610), (35, 5844025288), (40, 5113522127), (46, 4446540980), (56, 3652515805), (70, 2922012644), (92, 2223270490), (115, 1778616392), (140, 1461006322), (161, 1270440280), (184, 1111635245), (230, 889308196), (280, 730503161), (322, 635220140), (460, 444654098), (644, 317610070), (805, 254088056), (920, 222327049), (1288, 158805035), (1610, 127044028), (3220, 63522014), (6440, 31761007)]