161881566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 424673280

約数和(自身を除く): 262791714

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 89, 93, 127, 154, 178, 186, 217, 231, 254, 267, 341, 381, 434, 462, 534, 623, 651, 682, 762, 889, 979, 1023, 1246, 1302, 1397, 1778, 1869, 1958, 2046, 2387, 2667, 2759, 2794, 2937, 3738, 3937, 4191, 4774, 5334, 5518, 5874, 6853, 7161, 7874, 8277, 8382, 9779, 11303, 11811, 13706, 14322, 16554, 19313, 19558, 20559, 22606, 23622, 27559, 29337, 30349, 33909, 38626, 41118, 43307, 55118, 57939, 58674, 60698, 67818, 79121, 82677, 86614, 91047, 115878, 124333, 129921, 158242, 165354, 182094, 212443, 237363, 248666, 259842, 303149, 350393, 372999, 424886, 474726, 606298, 637329, 700786, 745998, 870331, 909447, 1051179, 1274658, 1740662, 1818894, 2102358, 2452751, 2610993, 3854323, 4905502, 5221986, 7358253, 7708646, 11562969, 14716506, 23125938, 26980261, 53960522, 80940783, 161881566]

約数ペア:

[(1, 161881566), (2, 80940783), (3, 53960522), (6, 26980261), (7, 23125938), (11, 14716506), (14, 11562969), (21, 7708646), (22, 7358253), (31, 5221986), (33, 4905502), (42, 3854323), (62, 2610993), (66, 2452751), (77, 2102358), (89, 1818894), (93, 1740662), (127, 1274658), (154, 1051179), (178, 909447), (186, 870331), (217, 745998), (231, 700786), (254, 637329), (267, 606298), (341, 474726), (381, 424886), (434, 372999), (462, 350393), (534, 303149), (623, 259842), (651, 248666), (682, 237363), (762, 212443), (889, 182094), (979, 165354), (1023, 158242), (1246, 129921), (1302, 124333), (1397, 115878), (1778, 91047), (1869, 86614), (1958, 82677), (2046, 79121), (2387, 67818), (2667, 60698), (2759, 58674), (2794, 57939), (2937, 55118), (3738, 43307), (3937, 41118), (4191, 38626), (4774, 33909), (5334, 30349), (5518, 29337), (5874, 27559), (6853, 23622), (7161, 22606), (7874, 20559), (8277, 19558), (8382, 19313), (9779, 16554), (11303, 14322), (11811, 13706)]