1968714720

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{21701}}^1$

素因数の和:21735

約数の個数: 240

約数和(自身を含む): 7940848608

約数和(自身を除く): 5972133888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 21701, 22680, 30240, 43402, 45360, 65103, 86804, 90720, 108505, 130206, 151907, 173608, 195309, 217010, 260412, 303814, 325515, 347216, 390618, 434020, 455721, 520824, 585927, 607628, 651030, 694432, 759535, 781236, 868040, 911442, 976545, 1041648, 1171854, 1215256, 1302060, 1367163, 1519070, 1562472, 1736080, 1757781, 1822884, 1953090, 2083296, 2278605, 2343708, 2430512, 2604120, 2734326, 2929635, 3038140, 3124944, 3472160, 3515562, 3645768, 3906180, 4101489, 4557210, 4687416, 4861024, 5208240, 5468652, 5859270, 6076280, 6249888, 6835815, 7031124, 7291536, 7812360, 8202978, 8788905, 9114420, 9374832, 10416480, 10937304, 11718540, 12152560, 12304467, 13671630, 14062248, 14583072, 15624720, 16405956, 17577810, 18228840, 18749664, 20507445, 21874608, 23437080, 24305120, 24608934, 27343260, 28124496, 31249440, 32811912, 35155620, 36457680, 41014890, 43749216, 46874160, 49217868, 54686520, 56248992, 61522335, 65623824, 70311240, 72915360, 82029780, 93748320, 98435736, 109373040, 123044670, 131247648, 140622480, 164059560, 196871472, 218746080, 246089340, 281244960, 328119120, 393742944, 492178680, 656238240, 984357360, 1968714720]

約数ペア:

[(1, 1968714720), (2, 984357360), (3, 656238240), (4, 492178680), (5, 393742944), (6, 328119120), (7, 281244960), (8, 246089340), (9, 218746080), (10, 196871472), (12, 164059560), (14, 140622480), (15, 131247648), (16, 123044670), (18, 109373040), (20, 98435736), (21, 93748320), (24, 82029780), (27, 72915360), (28, 70311240), (30, 65623824), (32, 61522335), (35, 56248992), (36, 54686520), (40, 49217868), (42, 46874160), (45, 43749216), (48, 41014890), (54, 36457680), (56, 35155620), (60, 32811912), (63, 31249440), (70, 28124496), (72, 27343260), (80, 24608934), (81, 24305120), (84, 23437080), (90, 21874608), (96, 20507445), (105, 18749664), (108, 18228840), (112, 17577810), (120, 16405956), (126, 15624720), (135, 14583072), (140, 14062248), (144, 13671630), (160, 12304467), (162, 12152560), (168, 11718540), (180, 10937304), (189, 10416480), (210, 9374832), (216, 9114420), (224, 8788905), (240, 8202978), (252, 7812360), (270, 7291536), (280, 7031124), (288, 6835815), (315, 6249888), (324, 6076280), (336, 5859270), (360, 5468652), (378, 5208240), (405, 4861024), (420, 4687416), (432, 4557210), (480, 4101489), (504, 3906180), (540, 3645768), (560, 3515562), (567, 3472160), (630, 3124944), (648, 3038140), (672, 2929635), (720, 2734326), (756, 2604120), (810, 2430512), (840, 2343708), (864, 2278605), (945, 2083296), (1008, 1953090), (1080, 1822884), (1120, 1757781), (1134, 1736080), (1260, 1562472), (1296, 1519070), (1440, 1367163), (1512, 1302060), (1620, 1215256), (1680, 1171854), (1890, 1041648), (2016, 976545), (2160, 911442), (2268, 868040), (2520, 781236), (2592, 759535), (2835, 694432), (3024, 651030), (3240, 607628), (3360, 585927), (3780, 520824), (4320, 455721), (4536, 434020), (5040, 390618), (5670, 347216), (6048, 325515), (6480, 303814), (7560, 260412), (9072, 217010), (10080, 195309), (11340, 173608), (12960, 151907), (15120, 130206), (18144, 108505), (21701, 90720), (22680, 86804), (30240, 65103), (43402, 45360)]