257055120

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{1889}}^1$

素因数の和:1924

約数の個数: 240

約数和(自身を含む): 1023684480

約数和(自身を除く): 766629360

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, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1512, 1620, 1680, 1701, 1889, 1890, 1944, 2160, 2268, 2430, 2520, 2835, 3024, 3240, 3402, 3778, 3780, 3888, 4536, 4860, 5040, 5667, 5670, 6480, 6804, 7556, 7560, 8505, 9072, 9445, 9720, 11334, 11340, 13223, 13608, 15112, 15120, 17001, 17010, 18890, 19440, 22668, 22680, 26446, 27216, 28335, 30224, 34002, 34020, 37780, 39669, 45336, 45360, 51003, 52892, 56670, 66115, 68004, 68040, 75560, 79338, 85005, 90672, 102006, 105784, 113340, 119007, 132230, 136008, 136080, 151120, 153009, 158676, 170010, 198345, 204012, 211568, 226680, 238014, 255015, 264460, 272016, 306018, 317352, 340020, 357021, 396690, 408024, 453360, 459027, 476028, 510030, 528920, 595035, 612036, 634704, 680040, 714042, 765045, 793380, 816048, 918054, 952056, 1020060, 1057840, 1071063, 1190070, 1224072, 1360080, 1428084, 1530090, 1586760, 1785105, 1836108, 1904112, 2040120, 2142126, 2295135, 2380140, 2448144, 2856168, 3060180, 3173520, 3213189, 3570210, 3672216, 4080240, 4284252, 4590270, 4760280, 5355315, 5712336, 6120360, 6426378, 7140420, 7344432, 8568504, 9180540, 9520560, 10710630, 12240720, 12852756, 14280840, 16065945, 17137008, 18361080, 21421260, 25705512, 28561680, 32131890, 36722160, 42842520, 51411024, 64263780, 85685040, 128527560, 257055120]

約数ペア:

[(1, 257055120), (2, 128527560), (3, 85685040), (4, 64263780), (5, 51411024), (6, 42842520), (7, 36722160), (8, 32131890), (9, 28561680), (10, 25705512), (12, 21421260), (14, 18361080), (15, 17137008), (16, 16065945), (18, 14280840), (20, 12852756), (21, 12240720), (24, 10710630), (27, 9520560), (28, 9180540), (30, 8568504), (35, 7344432), (36, 7140420), (40, 6426378), (42, 6120360), (45, 5712336), (48, 5355315), (54, 4760280), (56, 4590270), (60, 4284252), (63, 4080240), (70, 3672216), (72, 3570210), (80, 3213189), (81, 3173520), (84, 3060180), (90, 2856168), (105, 2448144), (108, 2380140), (112, 2295135), (120, 2142126), (126, 2040120), (135, 1904112), (140, 1836108), (144, 1785105), (162, 1586760), (168, 1530090), (180, 1428084), (189, 1360080), (210, 1224072), (216, 1190070), (240, 1071063), (243, 1057840), (252, 1020060), (270, 952056), (280, 918054), (315, 816048), (324, 793380), (336, 765045), (360, 714042), (378, 680040), (405, 634704), (420, 612036), (432, 595035), (486, 528920), (504, 510030), (540, 476028), (560, 459027), (567, 453360), (630, 408024), (648, 396690), (720, 357021), (756, 340020), (810, 317352), (840, 306018), (945, 272016), (972, 264460), (1008, 255015), (1080, 238014), (1134, 226680), (1215, 211568), (1260, 204012), (1296, 198345), (1512, 170010), (1620, 158676), (1680, 153009), (1701, 151120), (1889, 136080), (1890, 136008), (1944, 132230), (2160, 119007), (2268, 113340), (2430, 105784), (2520, 102006), (2835, 90672), (3024, 85005), (3240, 79338), (3402, 75560), (3778, 68040), (3780, 68004), (3888, 66115), (4536, 56670), (4860, 52892), (5040, 51003), (5667, 45360), (5670, 45336), (6480, 39669), (6804, 37780), (7556, 34020), (7560, 34002), (8505, 30224), (9072, 28335), (9445, 27216), (9720, 26446), (11334, 22680), (11340, 22668), (13223, 19440), (13608, 18890), (15112, 17010), (15120, 17001)]