72414720

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{449}}^1$

素因数の和:485

約数の個数: 240

約数和(自身を含む): 287258400

約数和(自身を除く): 214843680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 449, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 898, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1347, 1440, 1536, 1680, 1792, 1796, 1920, 2016, 2240, 2245, 2304, 2520, 2560, 2688, 2694, 2880, 3143, 3360, 3584, 3592, 3840, 4032, 4041, 4480, 4490, 4608, 5040, 5376, 5388, 5760, 6286, 6720, 6735, 7184, 7680, 8064, 8082, 8960, 8980, 9429, 10080, 10752, 10776, 11520, 12572, 13440, 13470, 14368, 15715, 16128, 16164, 17920, 17960, 18858, 20160, 20205, 21552, 23040, 25144, 26880, 26940, 28287, 28736, 31430, 32256, 32328, 35920, 37716, 40320, 40410, 43104, 47145, 50288, 53760, 53880, 56574, 57472, 62860, 64656, 71840, 75432, 80640, 80820, 86208, 94290, 100576, 107760, 113148, 114944, 125720, 129312, 141435, 143680, 150864, 161280, 161640, 172416, 188580, 201152, 215520, 226296, 229888, 251440, 258624, 282870, 287360, 301728, 323280, 344832, 377160, 402304, 431040, 452592, 502880, 517248, 565740, 574720, 603456, 646560, 689664, 754320, 804608, 862080, 905184, 1005760, 1034496, 1131480, 1149440, 1206912, 1293120, 1508640, 1609216, 1724160, 1810368, 2011520, 2068992, 2262960, 2413824, 2586240, 3017280, 3448320, 3620736, 4023040, 4525920, 4827648, 5172480, 6034560, 7241472, 8046080, 9051840, 10344960, 12069120, 14482944, 18103680, 24138240, 36207360, 72414720]

約数ペア:

[(1, 72414720), (2, 36207360), (3, 24138240), (4, 18103680), (5, 14482944), (6, 12069120), (7, 10344960), (8, 9051840), (9, 8046080), (10, 7241472), (12, 6034560), (14, 5172480), (15, 4827648), (16, 4525920), (18, 4023040), (20, 3620736), (21, 3448320), (24, 3017280), (28, 2586240), (30, 2413824), (32, 2262960), (35, 2068992), (36, 2011520), (40, 1810368), (42, 1724160), (45, 1609216), (48, 1508640), (56, 1293120), (60, 1206912), (63, 1149440), (64, 1131480), (70, 1034496), (72, 1005760), (80, 905184), (84, 862080), (90, 804608), (96, 754320), (105, 689664), (112, 646560), (120, 603456), (126, 574720), (128, 565740), (140, 517248), (144, 502880), (160, 452592), (168, 431040), (180, 402304), (192, 377160), (210, 344832), (224, 323280), (240, 301728), (252, 287360), (256, 282870), (280, 258624), (288, 251440), (315, 229888), (320, 226296), (336, 215520), (360, 201152), (384, 188580), (420, 172416), (448, 161640), (449, 161280), (480, 150864), (504, 143680), (512, 141435), (560, 129312), (576, 125720), (630, 114944), (640, 113148), (672, 107760), (720, 100576), (768, 94290), (840, 86208), (896, 80820), (898, 80640), (960, 75432), (1008, 71840), (1120, 64656), (1152, 62860), (1260, 57472), (1280, 56574), (1344, 53880), (1347, 53760), (1440, 50288), (1536, 47145), (1680, 43104), (1792, 40410), (1796, 40320), (1920, 37716), (2016, 35920), (2240, 32328), (2245, 32256), (2304, 31430), (2520, 28736), (2560, 28287), (2688, 26940), (2694, 26880), (2880, 25144), (3143, 23040), (3360, 21552), (3584, 20205), (3592, 20160), (3840, 18858), (4032, 17960), (4041, 17920), (4480, 16164), (4490, 16128), (4608, 15715), (5040, 14368), (5376, 13470), (5388, 13440), (5760, 12572), (6286, 11520), (6720, 10776), (6735, 10752), (7184, 10080), (7680, 9429), (8064, 8980), (8082, 8960)]