1280987904

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12541}}^1$

素因数の和:12586

約数の個数: 144

約数和(自身を含む): 4101735680

約数和(自身を除く): 2820747776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 256, 266, 304, 336, 384, 399, 448, 456, 532, 608, 672, 768, 798, 896, 912, 1064, 1216, 1344, 1596, 1792, 1824, 2128, 2432, 2688, 3192, 3648, 4256, 4864, 5376, 6384, 7296, 8512, 12541, 12768, 14592, 17024, 25082, 25536, 34048, 37623, 50164, 51072, 75246, 87787, 100328, 102144, 150492, 175574, 200656, 238279, 263361, 300984, 351148, 401312, 476558, 526722, 601968, 702296, 714837, 802624, 953116, 1053444, 1203936, 1404592, 1429674, 1605248, 1667953, 1906232, 2106888, 2407872, 2809184, 2859348, 3210496, 3335906, 3812464, 4213776, 4815744, 5003859, 5618368, 5718696, 6671812, 7624928, 8427552, 9631488, 10007718, 11236736, 11437392, 13343624, 15249856, 16855104, 20015436, 22473472, 22874784, 26687248, 30499712, 33710208, 40030872, 45749568, 53374496, 60999424, 67420416, 80061744, 91499136, 106748992, 160123488, 182998272, 213497984, 320246976, 426995968, 640493952, 1280987904]

約数ペア:

[(1, 1280987904), (2, 640493952), (3, 426995968), (4, 320246976), (6, 213497984), (7, 182998272), (8, 160123488), (12, 106748992), (14, 91499136), (16, 80061744), (19, 67420416), (21, 60999424), (24, 53374496), (28, 45749568), (32, 40030872), (38, 33710208), (42, 30499712), (48, 26687248), (56, 22874784), (57, 22473472), (64, 20015436), (76, 16855104), (84, 15249856), (96, 13343624), (112, 11437392), (114, 11236736), (128, 10007718), (133, 9631488), (152, 8427552), (168, 7624928), (192, 6671812), (224, 5718696), (228, 5618368), (256, 5003859), (266, 4815744), (304, 4213776), (336, 3812464), (384, 3335906), (399, 3210496), (448, 2859348), (456, 2809184), (532, 2407872), (608, 2106888), (672, 1906232), (768, 1667953), (798, 1605248), (896, 1429674), (912, 1404592), (1064, 1203936), (1216, 1053444), (1344, 953116), (1596, 802624), (1792, 714837), (1824, 702296), (2128, 601968), (2432, 526722), (2688, 476558), (3192, 401312), (3648, 351148), (4256, 300984), (4864, 263361), (5376, 238279), (6384, 200656), (7296, 175574), (8512, 150492), (12541, 102144), (12768, 100328), (14592, 87787), (17024, 75246), (25082, 51072), (25536, 50164), (34048, 37623)]