18103680

素因数分解:

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

素因数の和:481

約数の個数: 192

約数和(自身を含む): 71604000

約数和(自身を除く): 53500320

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, 280, 288, 315, 320, 336, 360, 384, 420, 448, 449, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 898, 960, 1008, 1120, 1152, 1260, 1344, 1347, 1440, 1680, 1796, 1920, 2016, 2240, 2245, 2520, 2688, 2694, 2880, 3143, 3360, 3592, 4032, 4041, 4480, 4490, 5040, 5388, 5760, 6286, 6720, 6735, 7184, 8064, 8082, 8980, 9429, 10080, 10776, 12572, 13440, 13470, 14368, 15715, 16164, 17960, 18858, 20160, 20205, 21552, 25144, 26940, 28287, 28736, 31430, 32328, 35920, 37716, 40320, 40410, 43104, 47145, 50288, 53880, 56574, 57472, 62860, 64656, 71840, 75432, 80820, 86208, 94290, 100576, 107760, 113148, 125720, 129312, 141435, 143680, 150864, 161640, 172416, 188580, 201152, 215520, 226296, 251440, 258624, 282870, 287360, 301728, 323280, 377160, 402304, 431040, 452592, 502880, 517248, 565740, 603456, 646560, 754320, 862080, 905184, 1005760, 1131480, 1206912, 1293120, 1508640, 1810368, 2011520, 2262960, 2586240, 3017280, 3620736, 4525920, 6034560, 9051840, 18103680]

約数ペア:

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