81144552

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 226540800

約数和(自身を除く): 145396248

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 29, 37, 46, 58, 69, 74, 87, 92, 111, 116, 137, 138, 148, 174, 184, 222, 232, 274, 276, 296, 348, 411, 444, 548, 552, 667, 696, 822, 851, 888, 1073, 1096, 1334, 1644, 1702, 2001, 2146, 2553, 2668, 3151, 3219, 3288, 3404, 3973, 4002, 4292, 5069, 5106, 5336, 6302, 6438, 6808, 7946, 8004, 8584, 9453, 10138, 10212, 11919, 12604, 12876, 15207, 15892, 16008, 18906, 20276, 20424, 23838, 24679, 25208, 25752, 30414, 31784, 37812, 40552, 47676, 49358, 60828, 74037, 75624, 91379, 95352, 98716, 116587, 121656, 147001, 148074, 182758, 197432, 233174, 274137, 294002, 296148, 349761, 365516, 441003, 466348, 548274, 588004, 592296, 699522, 731032, 882006, 932696, 1096548, 1176008, 1399044, 1764012, 2193096, 2798088, 3381023, 3528024, 6762046, 10143069, 13524092, 20286138, 27048184, 40572276, 81144552]

約数ペア:

[(1, 81144552), (2, 40572276), (3, 27048184), (4, 20286138), (6, 13524092), (8, 10143069), (12, 6762046), (23, 3528024), (24, 3381023), (29, 2798088), (37, 2193096), (46, 1764012), (58, 1399044), (69, 1176008), (74, 1096548), (87, 932696), (92, 882006), (111, 731032), (116, 699522), (137, 592296), (138, 588004), (148, 548274), (174, 466348), (184, 441003), (222, 365516), (232, 349761), (274, 296148), (276, 294002), (296, 274137), (348, 233174), (411, 197432), (444, 182758), (548, 148074), (552, 147001), (667, 121656), (696, 116587), (822, 98716), (851, 95352), (888, 91379), (1073, 75624), (1096, 74037), (1334, 60828), (1644, 49358), (1702, 47676), (2001, 40552), (2146, 37812), (2553, 31784), (2668, 30414), (3151, 25752), (3219, 25208), (3288, 24679), (3404, 23838), (3973, 20424), (4002, 20276), (4292, 18906), (5069, 16008), (5106, 15892), (5336, 15207), (6302, 12876), (6438, 12604), (6808, 11919), (7946, 10212), (8004, 10138), (8584, 9453)]