25991280

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:226

約数の個数: 240

約数和(自身を含む): 103993344

約数和(自身を除く): 78002064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 191, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 382, 405, 420, 432, 486, 504, 540, 560, 567, 573, 630, 648, 720, 756, 764, 810, 840, 945, 955, 972, 1008, 1080, 1134, 1146, 1215, 1260, 1296, 1337, 1512, 1528, 1620, 1680, 1701, 1719, 1890, 1910, 1944, 2160, 2268, 2292, 2430, 2520, 2674, 2835, 2865, 3024, 3056, 3240, 3402, 3438, 3780, 3820, 3888, 4011, 4536, 4584, 4860, 5040, 5157, 5348, 5670, 5730, 6480, 6685, 6804, 6876, 7560, 7640, 8022, 8505, 8595, 9072, 9168, 9720, 10314, 10696, 11340, 11460, 12033, 13370, 13608, 13752, 15120, 15280, 15471, 16044, 17010, 17190, 19440, 20055, 20628, 21392, 22680, 22920, 24066, 25785, 26740, 27216, 27504, 30942, 32088, 34020, 34380, 36099, 40110, 41256, 45360, 45840, 46413, 48132, 51570, 53480, 60165, 61884, 64176, 68040, 68760, 72198, 77355, 80220, 82512, 92826, 96264, 103140, 106960, 108297, 120330, 123768, 136080, 137520, 144396, 154710, 160440, 180495, 185652, 192528, 206280, 216594, 232065, 240660, 247536, 288792, 309420, 320880, 324891, 360990, 371304, 412560, 433188, 464130, 481320, 541485, 577584, 618840, 649782, 721980, 742608, 866376, 928260, 962640, 1082970, 1237680, 1299564, 1443960, 1624455, 1732752, 1856520, 2165940, 2599128, 2887920, 3248910, 3713040, 4331880, 5198256, 6497820, 8663760, 12995640, 25991280]

約数ペア:

[(1, 25991280), (2, 12995640), (3, 8663760), (4, 6497820), (5, 5198256), (6, 4331880), (7, 3713040), (8, 3248910), (9, 2887920), (10, 2599128), (12, 2165940), (14, 1856520), (15, 1732752), (16, 1624455), (18, 1443960), (20, 1299564), (21, 1237680), (24, 1082970), (27, 962640), (28, 928260), (30, 866376), (35, 742608), (36, 721980), (40, 649782), (42, 618840), (45, 577584), (48, 541485), (54, 481320), (56, 464130), (60, 433188), (63, 412560), (70, 371304), (72, 360990), (80, 324891), (81, 320880), (84, 309420), (90, 288792), (105, 247536), (108, 240660), (112, 232065), (120, 216594), (126, 206280), (135, 192528), (140, 185652), (144, 180495), (162, 160440), (168, 154710), (180, 144396), (189, 137520), (191, 136080), (210, 123768), (216, 120330), (240, 108297), (243, 106960), (252, 103140), (270, 96264), (280, 92826), (315, 82512), (324, 80220), (336, 77355), (360, 72198), (378, 68760), (382, 68040), (405, 64176), (420, 61884), (432, 60165), (486, 53480), (504, 51570), (540, 48132), (560, 46413), (567, 45840), (573, 45360), (630, 41256), (648, 40110), (720, 36099), (756, 34380), (764, 34020), (810, 32088), (840, 30942), (945, 27504), (955, 27216), (972, 26740), (1008, 25785), (1080, 24066), (1134, 22920), (1146, 22680), (1215, 21392), (1260, 20628), (1296, 20055), (1337, 19440), (1512, 17190), (1528, 17010), (1620, 16044), (1680, 15471), (1701, 15280), (1719, 15120), (1890, 13752), (1910, 13608), (1944, 13370), (2160, 12033), (2268, 11460), (2292, 11340), (2430, 10696), (2520, 10314), (2674, 9720), (2835, 9168), (2865, 9072), (3024, 8595), (3056, 8505), (3240, 8022), (3402, 7640), (3438, 7560), (3780, 6876), (3820, 6804), (3888, 6685), (4011, 6480), (4536, 5730), (4584, 5670), (4860, 5348), (5040, 5157)]