640542924

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{847279}}^1$

素因数の和:847299

約数の個数: 48

約数和(自身を含む): 1897907200

約数和(自身を除く): 1257364276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 847279, 1694558, 2541837, 3389116, 5083674, 5930953, 7625511, 10167348, 11861906, 15251022, 17792859, 22876533, 23723812, 30502044, 35585718, 45753066, 53378577, 71171436, 91506132, 106757154, 160135731, 213514308, 320271462, 640542924]

約数ペア:

[(1, 640542924), (2, 320271462), (3, 213514308), (4, 160135731), (6, 106757154), (7, 91506132), (9, 71171436), (12, 53378577), (14, 45753066), (18, 35585718), (21, 30502044), (27, 23723812), (28, 22876533), (36, 17792859), (42, 15251022), (54, 11861906), (63, 10167348), (84, 7625511), (108, 5930953), (126, 5083674), (189, 3389116), (252, 2541837), (378, 1694558), (756, 847279)]