261596107520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{81847}}^1$

素因数の和:82106

約数の個数: 144

約数和(自身を含む): 686588168448

約数和(自身を除く): 424992060928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 227, 256, 320, 352, 440, 454, 640, 704, 880, 908, 1135, 1280, 1408, 1760, 1816, 2270, 2497, 2816, 3520, 3632, 4540, 4994, 7040, 7264, 9080, 9988, 12485, 14080, 14528, 18160, 19976, 24970, 29056, 36320, 39952, 49940, 58112, 72640, 79904, 81847, 99880, 145280, 159808, 163694, 199760, 290560, 319616, 327388, 399520, 409235, 639232, 654776, 799040, 818470, 900317, 1309552, 1598080, 1636940, 1800634, 2619104, 3196160, 3273880, 3601268, 4501585, 5238208, 6547760, 7202536, 9003170, 10476416, 13095520, 14405072, 18006340, 18579269, 20952832, 26191040, 28810144, 36012680, 37158538, 52382080, 57620288, 72025360, 74317076, 92896345, 104764160, 115240576, 144050720, 148634152, 185792690, 204371959, 230481152, 288101440, 297268304, 371585380, 408743918, 576202880, 594536608, 743170760, 817487836, 1021859795, 1152405760, 1189073216, 1486341520, 1634975672, 2043719590, 2378146432, 2972683040, 3269951344, 4087439180, 4756292864, 5945366080, 6539902688, 8174878360, 11890732160, 13079805376, 16349756720, 23781464320, 26159610752, 32699513440, 52319221504, 65399026880, 130798053760, 261596107520]

約数ペア:

[(1, 261596107520), (2, 130798053760), (4, 65399026880), (5, 52319221504), (8, 32699513440), (10, 26159610752), (11, 23781464320), (16, 16349756720), (20, 13079805376), (22, 11890732160), (32, 8174878360), (40, 6539902688), (44, 5945366080), (55, 4756292864), (64, 4087439180), (80, 3269951344), (88, 2972683040), (110, 2378146432), (128, 2043719590), (160, 1634975672), (176, 1486341520), (220, 1189073216), (227, 1152405760), (256, 1021859795), (320, 817487836), (352, 743170760), (440, 594536608), (454, 576202880), (640, 408743918), (704, 371585380), (880, 297268304), (908, 288101440), (1135, 230481152), (1280, 204371959), (1408, 185792690), (1760, 148634152), (1816, 144050720), (2270, 115240576), (2497, 104764160), (2816, 92896345), (3520, 74317076), (3632, 72025360), (4540, 57620288), (4994, 52382080), (7040, 37158538), (7264, 36012680), (9080, 28810144), (9988, 26191040), (12485, 20952832), (14080, 18579269), (14528, 18006340), (18160, 14405072), (19976, 13095520), (24970, 10476416), (29056, 9003170), (36320, 7202536), (39952, 6547760), (49940, 5238208), (58112, 4501585), (72640, 3601268), (79904, 3273880), (81847, 3196160), (99880, 2619104), (145280, 1800634), (159808, 1636940), (163694, 1598080), (199760, 1309552), (290560, 900317), (319616, 818470), (327388, 799040), (399520, 654776), (409235, 639232)]