123681564

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2477}}^1$

素因数の和:2579

約数の個数: 72

約数和(自身を含む): 333737040

約数和(自身を除く): 210055476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 73, 76, 114, 146, 171, 219, 228, 292, 342, 438, 657, 684, 876, 1314, 1387, 2477, 2628, 2774, 4161, 4954, 5548, 7431, 8322, 9908, 12483, 14862, 16644, 22293, 24966, 29724, 44586, 47063, 49932, 89172, 94126, 141189, 180821, 188252, 282378, 361642, 423567, 542463, 564756, 723284, 847134, 1084926, 1627389, 1694268, 2169852, 3254778, 3435599, 6509556, 6871198, 10306797, 13742396, 20613594, 30920391, 41227188, 61840782, 123681564]

約数ペア:

[(1, 123681564), (2, 61840782), (3, 41227188), (4, 30920391), (6, 20613594), (9, 13742396), (12, 10306797), (18, 6871198), (19, 6509556), (36, 3435599), (38, 3254778), (57, 2169852), (73, 1694268), (76, 1627389), (114, 1084926), (146, 847134), (171, 723284), (219, 564756), (228, 542463), (292, 423567), (342, 361642), (438, 282378), (657, 188252), (684, 180821), (876, 141189), (1314, 94126), (1387, 89172), (2477, 49932), (2628, 47063), (2774, 44586), (4161, 29724), (4954, 24966), (5548, 22293), (7431, 16644), (8322, 14862), (9908, 12483)]