90128640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{479}}^1$

素因数の和:517

約数の個数: 216

約数和(自身を含む): 335543040

約数和(自身を除く): 245414400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 479, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 896, 958, 960, 980, 1120, 1176, 1280, 1344, 1437, 1470, 1568, 1680, 1792, 1916, 1920, 1960, 2240, 2352, 2395, 2688, 2874, 2940, 3136, 3353, 3360, 3832, 3840, 3920, 4480, 4704, 4790, 5376, 5748, 5880, 6272, 6706, 6720, 7185, 7664, 7840, 8960, 9408, 9580, 10059, 11496, 11760, 12544, 13412, 13440, 14370, 15328, 15680, 16765, 18816, 19160, 20118, 22992, 23471, 23520, 26824, 26880, 28740, 30656, 31360, 33530, 37632, 38320, 40236, 45984, 46942, 47040, 50295, 53648, 57480, 61312, 62720, 67060, 70413, 76640, 80472, 91968, 93884, 94080, 100590, 107296, 114960, 117355, 122624, 134120, 140826, 153280, 160944, 183936, 187768, 188160, 201180, 214592, 229920, 234710, 268240, 281652, 306560, 321888, 352065, 367872, 375536, 402360, 429184, 459840, 469420, 536480, 563304, 613120, 643776, 704130, 751072, 804720, 858368, 919680, 938840, 1072960, 1126608, 1287552, 1408260, 1502144, 1609440, 1839360, 1877680, 2145920, 2253216, 2575104, 2816520, 3004288, 3218880, 3755360, 4291840, 4506432, 5633040, 6008576, 6437760, 7510720, 9012864, 11266080, 12875520, 15021440, 18025728, 22532160, 30042880, 45064320, 90128640]

約数ペア:

[(1, 90128640), (2, 45064320), (3, 30042880), (4, 22532160), (5, 18025728), (6, 15021440), (7, 12875520), (8, 11266080), (10, 9012864), (12, 7510720), (14, 6437760), (15, 6008576), (16, 5633040), (20, 4506432), (21, 4291840), (24, 3755360), (28, 3218880), (30, 3004288), (32, 2816520), (35, 2575104), (40, 2253216), (42, 2145920), (48, 1877680), (49, 1839360), (56, 1609440), (60, 1502144), (64, 1408260), (70, 1287552), (80, 1126608), (84, 1072960), (96, 938840), (98, 919680), (105, 858368), (112, 804720), (120, 751072), (128, 704130), (140, 643776), (147, 613120), (160, 563304), (168, 536480), (192, 469420), (196, 459840), (210, 429184), (224, 402360), (240, 375536), (245, 367872), (256, 352065), (280, 321888), (294, 306560), (320, 281652), (336, 268240), (384, 234710), (392, 229920), (420, 214592), (448, 201180), (479, 188160), (480, 187768), (490, 183936), (560, 160944), (588, 153280), (640, 140826), (672, 134120), (735, 122624), (768, 117355), (784, 114960), (840, 107296), (896, 100590), (958, 94080), (960, 93884), (980, 91968), (1120, 80472), (1176, 76640), (1280, 70413), (1344, 67060), (1437, 62720), (1470, 61312), (1568, 57480), (1680, 53648), (1792, 50295), (1916, 47040), (1920, 46942), (1960, 45984), (2240, 40236), (2352, 38320), (2395, 37632), (2688, 33530), (2874, 31360), (2940, 30656), (3136, 28740), (3353, 26880), (3360, 26824), (3832, 23520), (3840, 23471), (3920, 22992), (4480, 20118), (4704, 19160), (4790, 18816), (5376, 16765), (5748, 15680), (5880, 15328), (6272, 14370), (6706, 13440), (6720, 13412), (7185, 12544), (7664, 11760), (7840, 11496), (8960, 10059), (9408, 9580)]