2005001880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2081}}^1$

素因数の和:2170

約数の個数: 256

約数和(自身を含む): 7291330560

約数和(自身を除く): 5286328680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 37, 40, 42, 56, 60, 62, 70, 74, 84, 93, 105, 111, 120, 124, 140, 148, 155, 168, 185, 186, 210, 217, 222, 248, 259, 280, 296, 310, 370, 372, 420, 434, 444, 465, 518, 555, 620, 651, 740, 744, 777, 840, 868, 888, 930, 1036, 1085, 1110, 1147, 1240, 1295, 1302, 1480, 1554, 1736, 1860, 2072, 2081, 2170, 2220, 2294, 2590, 2604, 3108, 3255, 3441, 3720, 3885, 4162, 4340, 4440, 4588, 5180, 5208, 5735, 6216, 6243, 6510, 6882, 7770, 8029, 8324, 8680, 9176, 10360, 10405, 11470, 12486, 13020, 13764, 14567, 15540, 16058, 16648, 17205, 20810, 22940, 24087, 24972, 26040, 27528, 29134, 31080, 31215, 32116, 34410, 40145, 41620, 43701, 45880, 48174, 49944, 58268, 62430, 64232, 64511, 68820, 72835, 76997, 80290, 83240, 87402, 96348, 116536, 120435, 124860, 129022, 137640, 145670, 153994, 160580, 174804, 192696, 193533, 218505, 230991, 240870, 249720, 258044, 291340, 307988, 321160, 322555, 349608, 384985, 387066, 437010, 451577, 461982, 481740, 516088, 538979, 582680, 615976, 645110, 769970, 774132, 874020, 903154, 923964, 963480, 967665, 1077958, 1154955, 1290220, 1354731, 1539940, 1548264, 1616937, 1748040, 1806308, 1847928, 1935330, 2155916, 2257885, 2309910, 2386907, 2580440, 2694895, 2709462, 3079880, 3233874, 3612616, 3870660, 4311832, 4515770, 4619820, 4773814, 5389790, 5418924, 6467748, 6773655, 7160721, 7741320, 8084685, 9031540, 9239640, 9547628, 10779580, 10837848, 11934535, 12935496, 13547310, 14321442, 16169370, 16708349, 18063080, 19095256, 21559160, 23869070, 27094620, 28642884, 32338740, 33416698, 35803605, 47738140, 50125047, 54189240, 57285768, 64677480, 66833396, 71607210, 83541745, 95476280, 100250094, 133666792, 143214420, 167083490, 200500188, 250625235, 286428840, 334166980, 401000376, 501250470, 668333960, 1002500940, 2005001880]

約数ペア:

[(1, 2005001880), (2, 1002500940), (3, 668333960), (4, 501250470), (5, 401000376), (6, 334166980), (7, 286428840), (8, 250625235), (10, 200500188), (12, 167083490), (14, 143214420), (15, 133666792), (20, 100250094), (21, 95476280), (24, 83541745), (28, 71607210), (30, 66833396), (31, 64677480), (35, 57285768), (37, 54189240), (40, 50125047), (42, 47738140), (56, 35803605), (60, 33416698), (62, 32338740), (70, 28642884), (74, 27094620), (84, 23869070), (93, 21559160), (105, 19095256), (111, 18063080), (120, 16708349), (124, 16169370), (140, 14321442), (148, 13547310), (155, 12935496), (168, 11934535), (185, 10837848), (186, 10779580), (210, 9547628), (217, 9239640), (222, 9031540), (248, 8084685), (259, 7741320), (280, 7160721), (296, 6773655), (310, 6467748), (370, 5418924), (372, 5389790), (420, 4773814), (434, 4619820), (444, 4515770), (465, 4311832), (518, 3870660), (555, 3612616), (620, 3233874), (651, 3079880), (740, 2709462), (744, 2694895), (777, 2580440), (840, 2386907), (868, 2309910), (888, 2257885), (930, 2155916), (1036, 1935330), (1085, 1847928), (1110, 1806308), (1147, 1748040), (1240, 1616937), (1295, 1548264), (1302, 1539940), (1480, 1354731), (1554, 1290220), (1736, 1154955), (1860, 1077958), (2072, 967665), (2081, 963480), (2170, 923964), (2220, 903154), (2294, 874020), (2590, 774132), (2604, 769970), (3108, 645110), (3255, 615976), (3441, 582680), (3720, 538979), (3885, 516088), (4162, 481740), (4340, 461982), (4440, 451577), (4588, 437010), (5180, 387066), (5208, 384985), (5735, 349608), (6216, 322555), (6243, 321160), (6510, 307988), (6882, 291340), (7770, 258044), (8029, 249720), (8324, 240870), (8680, 230991), (9176, 218505), (10360, 193533), (10405, 192696), (11470, 174804), (12486, 160580), (13020, 153994), (13764, 145670), (14567, 137640), (15540, 129022), (16058, 124860), (16648, 120435), (17205, 116536), (20810, 96348), (22940, 87402), (24087, 83240), (24972, 80290), (26040, 76997), (27528, 72835), (29134, 68820), (31080, 64511), (31215, 64232), (32116, 62430), (34410, 58268), (40145, 49944), (41620, 48174), (43701, 45880)]