257050080

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{3643}}^1$

素因数の和:3678

約数の個数: 216

約数和(自身を含む): 1020677112

約数和(自身を除く): 763627032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3643, 3920, 4410, 4704, 5040, 5880, 7056, 7286, 7840, 8820, 10080, 10929, 11760, 14112, 14572, 17640, 18215, 21858, 23520, 25501, 29144, 32787, 35280, 36430, 43716, 51002, 54645, 58288, 65574, 70560, 72860, 76503, 87432, 102004, 109290, 116576, 127505, 131148, 145720, 153006, 163935, 174864, 178507, 204008, 218580, 229509, 255010, 262296, 291440, 306012, 327870, 349728, 357014, 382515, 408016, 437160, 459018, 510020, 524592, 535521, 582880, 612024, 655740, 714028, 765030, 816032, 874320, 892535, 918036, 1020040, 1049184, 1071042, 1147545, 1224048, 1311480, 1428056, 1530060, 1606563, 1748640, 1785070, 1836072, 2040080, 2142084, 2295090, 2448096, 2622960, 2677605, 2856112, 3060120, 3213126, 3570140, 3672144, 4080160, 4284168, 4590180, 5245920, 5355210, 5712224, 6120240, 6426252, 7140280, 7344288, 8032815, 8568336, 9180360, 10710420, 12240480, 12852504, 14280560, 16065630, 17136672, 18360720, 21420840, 25705008, 28561120, 32131260, 36721440, 42841680, 51410016, 64262520, 85683360, 128525040, 257050080]

約数ペア:

[(1, 257050080), (2, 128525040), (3, 85683360), (4, 64262520), (5, 51410016), (6, 42841680), (7, 36721440), (8, 32131260), (9, 28561120), (10, 25705008), (12, 21420840), (14, 18360720), (15, 17136672), (16, 16065630), (18, 14280560), (20, 12852504), (21, 12240480), (24, 10710420), (28, 9180360), (30, 8568336), (32, 8032815), (35, 7344288), (36, 7140280), (40, 6426252), (42, 6120240), (45, 5712224), (48, 5355210), (49, 5245920), (56, 4590180), (60, 4284168), (63, 4080160), (70, 3672144), (72, 3570140), (80, 3213126), (84, 3060120), (90, 2856112), (96, 2677605), (98, 2622960), (105, 2448096), (112, 2295090), (120, 2142084), (126, 2040080), (140, 1836072), (144, 1785070), (147, 1748640), (160, 1606563), (168, 1530060), (180, 1428056), (196, 1311480), (210, 1224048), (224, 1147545), (240, 1071042), (245, 1049184), (252, 1020040), (280, 918036), (288, 892535), (294, 874320), (315, 816032), (336, 765030), (360, 714028), (392, 655740), (420, 612024), (441, 582880), (480, 535521), (490, 524592), (504, 510020), (560, 459018), (588, 437160), (630, 408016), (672, 382515), (720, 357014), (735, 349728), (784, 327870), (840, 306012), (882, 291440), (980, 262296), (1008, 255010), (1120, 229509), (1176, 218580), (1260, 204008), (1440, 178507), (1470, 174864), (1568, 163935), (1680, 153006), (1764, 145720), (1960, 131148), (2016, 127505), (2205, 116576), (2352, 109290), (2520, 102004), (2940, 87432), (3360, 76503), (3528, 72860), (3643, 70560), (3920, 65574), (4410, 58288), (4704, 54645), (5040, 51002), (5880, 43716), (7056, 36430), (7286, 35280), (7840, 32787), (8820, 29144), (10080, 25501), (10929, 23520), (11760, 21858), (14112, 18215), (14572, 17640)]