66880485

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 141622272

約数和(自身を除く): 74741787

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 81, 93, 105, 135, 155, 189, 217, 279, 315, 405, 465, 567, 651, 761, 837, 945, 1085, 1395, 1953, 2283, 2511, 2835, 3255, 3805, 4185, 5327, 5859, 6849, 9765, 11415, 12555, 15981, 17577, 20547, 23591, 26635, 29295, 34245, 47943, 61641, 70773, 79905, 87885, 102735, 117955, 143829, 165137, 212319, 239715, 308205, 353865, 431487, 495411, 636957, 719145, 825685, 1061595, 1486233, 1910871, 2157435, 2477055, 3184785, 4458699, 7431165, 9554355, 13376097, 22293495, 66880485]

約数ペア:

[(1, 66880485), (3, 22293495), (5, 13376097), (7, 9554355), (9, 7431165), (15, 4458699), (21, 3184785), (27, 2477055), (31, 2157435), (35, 1910871), (45, 1486233), (63, 1061595), (81, 825685), (93, 719145), (105, 636957), (135, 495411), (155, 431487), (189, 353865), (217, 308205), (279, 239715), (315, 212319), (405, 165137), (465, 143829), (567, 117955), (651, 102735), (761, 87885), (837, 79905), (945, 70773), (1085, 61641), (1395, 47943), (1953, 34245), (2283, 29295), (2511, 26635), (2835, 23591), (3255, 20547), (3805, 17577), (4185, 15981), (5327, 12555), (5859, 11415), (6849, 9765)]