1282256640

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{15901}}^1$

素因数の和:15935

約数の個数: 216

約数和(自身を含む): 5070575328

約数和(自身を除く): 3788318688

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, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 15901, 16128, 20160, 26880, 31802, 40320, 47703, 63604, 79505, 80640, 95406, 111307, 127208, 143109, 159010, 190812, 222614, 238515, 254416, 286218, 318020, 333921, 381624, 445228, 477030, 508832, 556535, 572436, 636040, 667842, 715545, 763248, 890456, 954060, 1001763, 1017664, 1113070, 1144872, 1272080, 1335684, 1431090, 1526496, 1669605, 1780912, 1908120, 2003526, 2035328, 2226140, 2289744, 2544160, 2671368, 2862180, 3052992, 3339210, 3561824, 3816240, 4007052, 4070656, 4452280, 4579488, 5008815, 5088320, 5342736, 5724360, 6105984, 6678420, 7123648, 7632480, 8014104, 8904560, 9158976, 10017630, 10176640, 10685472, 11448720, 12211968, 13356840, 14247296, 15264960, 16028208, 17809120, 18317952, 20035260, 20353280, 21370944, 22897440, 26713680, 28494592, 30529920, 32056416, 35618240, 36635904, 40070520, 42741888, 45794880, 53427360, 61059840, 64112832, 71236480, 80141040, 85483776, 91589760, 106854720, 128225664, 142472960, 160282080, 183179520, 213709440, 256451328, 320564160, 427418880, 641128320, 1282256640]

約数ペア:

[(1, 1282256640), (2, 641128320), (3, 427418880), (4, 320564160), (5, 256451328), (6, 213709440), (7, 183179520), (8, 160282080), (9, 142472960), (10, 128225664), (12, 106854720), (14, 91589760), (15, 85483776), (16, 80141040), (18, 71236480), (20, 64112832), (21, 61059840), (24, 53427360), (28, 45794880), (30, 42741888), (32, 40070520), (35, 36635904), (36, 35618240), (40, 32056416), (42, 30529920), (45, 28494592), (48, 26713680), (56, 22897440), (60, 21370944), (63, 20353280), (64, 20035260), (70, 18317952), (72, 17809120), (80, 16028208), (84, 15264960), (90, 14247296), (96, 13356840), (105, 12211968), (112, 11448720), (120, 10685472), (126, 10176640), (128, 10017630), (140, 9158976), (144, 8904560), (160, 8014104), (168, 7632480), (180, 7123648), (192, 6678420), (210, 6105984), (224, 5724360), (240, 5342736), (252, 5088320), (256, 5008815), (280, 4579488), (288, 4452280), (315, 4070656), (320, 4007052), (336, 3816240), (360, 3561824), (384, 3339210), (420, 3052992), (448, 2862180), (480, 2671368), (504, 2544160), (560, 2289744), (576, 2226140), (630, 2035328), (640, 2003526), (672, 1908120), (720, 1780912), (768, 1669605), (840, 1526496), (896, 1431090), (960, 1335684), (1008, 1272080), (1120, 1144872), (1152, 1113070), (1260, 1017664), (1280, 1001763), (1344, 954060), (1440, 890456), (1680, 763248), (1792, 715545), (1920, 667842), (2016, 636040), (2240, 572436), (2304, 556535), (2520, 508832), (2688, 477030), (2880, 445228), (3360, 381624), (3840, 333921), (4032, 318020), (4480, 286218), (5040, 254416), (5376, 238515), (5760, 222614), (6720, 190812), (8064, 159010), (8960, 143109), (10080, 127208), (11520, 111307), (13440, 95406), (15901, 80640), (16128, 79505), (20160, 63604), (26880, 47703), (31802, 40320)]