181012572

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{839}}^1$

素因数の和:1323

約数の個数: 72

約数和(自身を含む): 494413920

約数和(自身を除く): 313401348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 461, 468, 839, 922, 1383, 1678, 1844, 2517, 2766, 3356, 4149, 5034, 5532, 5993, 7551, 8298, 10068, 10907, 11986, 15102, 16596, 17979, 21814, 23972, 30204, 32721, 35958, 43628, 53937, 65442, 71916, 98163, 107874, 130884, 196326, 215748, 386779, 392652, 773558, 1160337, 1547116, 2320674, 3481011, 4641348, 5028127, 6962022, 10056254, 13924044, 15084381, 20112508, 30168762, 45253143, 60337524, 90506286, 181012572]

約数ペア:

[(1, 181012572), (2, 90506286), (3, 60337524), (4, 45253143), (6, 30168762), (9, 20112508), (12, 15084381), (13, 13924044), (18, 10056254), (26, 6962022), (36, 5028127), (39, 4641348), (52, 3481011), (78, 2320674), (117, 1547116), (156, 1160337), (234, 773558), (461, 392652), (468, 386779), (839, 215748), (922, 196326), (1383, 130884), (1678, 107874), (1844, 98163), (2517, 71916), (2766, 65442), (3356, 53937), (4149, 43628), (5034, 35958), (5532, 32721), (5993, 30204), (7551, 23972), (8298, 21814), (10068, 17979), (10907, 16596), (11986, 15102)]