217877520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 240

約数和(自身を含む): 797948928

約数和(自身を除く): 580071408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 97, 98, 105, 112, 120, 140, 147, 168, 191, 194, 196, 210, 240, 245, 280, 291, 294, 336, 382, 388, 392, 420, 485, 490, 560, 573, 582, 588, 679, 735, 764, 776, 784, 840, 955, 970, 980, 1146, 1164, 1176, 1337, 1358, 1455, 1470, 1528, 1552, 1680, 1910, 1940, 1960, 2037, 2292, 2328, 2352, 2674, 2716, 2865, 2910, 2940, 3056, 3395, 3820, 3880, 3920, 4011, 4074, 4584, 4656, 4753, 5348, 5432, 5730, 5820, 5880, 6685, 6790, 7640, 7760, 8022, 8148, 9168, 9359, 9506, 10185, 10696, 10864, 11460, 11640, 11760, 13370, 13580, 14259, 15280, 16044, 16296, 18527, 18718, 19012, 20055, 20370, 21392, 22920, 23280, 23765, 26740, 27160, 28077, 28518, 32088, 32592, 37054, 37436, 38024, 40110, 40740, 45840, 46795, 47530, 53480, 54320, 55581, 56154, 57036, 64176, 71295, 74108, 74872, 76048, 80220, 81480, 92635, 93590, 95060, 106960, 111162, 112308, 114072, 129689, 140385, 142590, 148216, 149744, 160440, 162960, 185270, 187180, 190120, 222324, 224616, 228144, 259378, 277905, 280770, 285180, 296432, 320880, 370540, 374360, 380240, 389067, 444648, 449232, 518756, 555810, 561540, 570360, 648445, 741080, 748720, 778134, 889296, 907823, 1037512, 1111620, 1123080, 1140720, 1296890, 1482160, 1556268, 1815646, 1945335, 2075024, 2223240, 2246160, 2593780, 2723469, 3112536, 3631292, 3890670, 4446480, 4539115, 5187560, 5446938, 6225072, 7262584, 7781340, 9078230, 10375120, 10893876, 13617345, 14525168, 15562680, 18156460, 21787752, 27234690, 31125360, 36312920, 43575504, 54469380, 72625840, 108938760, 217877520]

約数ペア:

[(1, 217877520), (2, 108938760), (3, 72625840), (4, 54469380), (5, 43575504), (6, 36312920), (7, 31125360), (8, 27234690), (10, 21787752), (12, 18156460), (14, 15562680), (15, 14525168), (16, 13617345), (20, 10893876), (21, 10375120), (24, 9078230), (28, 7781340), (30, 7262584), (35, 6225072), (40, 5446938), (42, 5187560), (48, 4539115), (49, 4446480), (56, 3890670), (60, 3631292), (70, 3112536), (80, 2723469), (84, 2593780), (97, 2246160), (98, 2223240), (105, 2075024), (112, 1945335), (120, 1815646), (140, 1556268), (147, 1482160), (168, 1296890), (191, 1140720), (194, 1123080), (196, 1111620), (210, 1037512), (240, 907823), (245, 889296), (280, 778134), (291, 748720), (294, 741080), (336, 648445), (382, 570360), (388, 561540), (392, 555810), (420, 518756), (485, 449232), (490, 444648), (560, 389067), (573, 380240), (582, 374360), (588, 370540), (679, 320880), (735, 296432), (764, 285180), (776, 280770), (784, 277905), (840, 259378), (955, 228144), (970, 224616), (980, 222324), (1146, 190120), (1164, 187180), (1176, 185270), (1337, 162960), (1358, 160440), (1455, 149744), (1470, 148216), (1528, 142590), (1552, 140385), (1680, 129689), (1910, 114072), (1940, 112308), (1960, 111162), (2037, 106960), (2292, 95060), (2328, 93590), (2352, 92635), (2674, 81480), (2716, 80220), (2865, 76048), (2910, 74872), (2940, 74108), (3056, 71295), (3395, 64176), (3820, 57036), (3880, 56154), (3920, 55581), (4011, 54320), (4074, 53480), (4584, 47530), (4656, 46795), (4753, 45840), (5348, 40740), (5432, 40110), (5730, 38024), (5820, 37436), (5880, 37054), (6685, 32592), (6790, 32088), (7640, 28518), (7760, 28077), (8022, 27160), (8148, 26740), (9168, 23765), (9359, 23280), (9506, 22920), (10185, 21392), (10696, 20370), (10864, 20055), (11460, 19012), (11640, 18718), (11760, 18527), (13370, 16296), (13580, 16044), (14259, 15280)]