8020755

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 15552000

約数和(自身を除く): 7531245

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 53, 57, 59, 95, 135, 159, 171, 177, 265, 285, 295, 477, 513, 531, 795, 855, 885, 1007, 1121, 1431, 1593, 2385, 2565, 2655, 3021, 3127, 3363, 5035, 5605, 7155, 7965, 9063, 9381, 10089, 15105, 15635, 16815, 27189, 28143, 30267, 45315, 46905, 50445, 59413, 84429, 135945, 140715, 151335, 178239, 297065, 422145, 534717, 891195, 1604151, 2673585, 8020755]

約数ペア:

[(1, 8020755), (3, 2673585), (5, 1604151), (9, 891195), (15, 534717), (19, 422145), (27, 297065), (45, 178239), (53, 151335), (57, 140715), (59, 135945), (95, 84429), (135, 59413), (159, 50445), (171, 46905), (177, 45315), (265, 30267), (285, 28143), (295, 27189), (477, 16815), (513, 15635), (531, 15105), (795, 10089), (855, 9381), (885, 9063), (1007, 7965), (1121, 7155), (1431, 5605), (1593, 5035), (2385, 3363), (2565, 3127), (2655, 3021)]