131251680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 288

約数和(自身を含む): 530712000

約数和(自身を除く): 399460320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 96, 105, 112, 116, 120, 126, 140, 144, 145, 160, 168, 174, 180, 203, 210, 224, 232, 240, 252, 261, 280, 288, 290, 315, 336, 348, 360, 406, 420, 435, 449, 464, 480, 504, 522, 560, 580, 609, 630, 672, 696, 720, 812, 840, 870, 898, 928, 1008, 1015, 1044, 1120, 1160, 1218, 1260, 1305, 1347, 1392, 1440, 1624, 1680, 1740, 1796, 1827, 2016, 2030, 2088, 2245, 2320, 2436, 2520, 2610, 2694, 2784, 3045, 3143, 3248, 3360, 3480, 3592, 3654, 4041, 4060, 4176, 4490, 4640, 4872, 5040, 5220, 5388, 6090, 6286, 6496, 6735, 6960, 7184, 7308, 8082, 8120, 8352, 8980, 9135, 9429, 9744, 10080, 10440, 10776, 12180, 12572, 13021, 13470, 13920, 14368, 14616, 15715, 16164, 16240, 17960, 18270, 18858, 19488, 20205, 20880, 21552, 24360, 25144, 26042, 26940, 28287, 29232, 31430, 32328, 32480, 35920, 36540, 37716, 39063, 40410, 41760, 43104, 47145, 48720, 50288, 52084, 53880, 56574, 58464, 62860, 64656, 65105, 71840, 73080, 75432, 78126, 80820, 91147, 94290, 97440, 100576, 104168, 107760, 113148, 117189, 125720, 129312, 130210, 141435, 146160, 150864, 156252, 161640, 182294, 188580, 195315, 208336, 215520, 226296, 234378, 251440, 260420, 273441, 282870, 292320, 301728, 312504, 323280, 364588, 377160, 390630, 416672, 452592, 455735, 468756, 502880, 520840, 546882, 565740, 585945, 625008, 646560, 729176, 754320, 781260, 820323, 905184, 911470, 937512, 1041680, 1093764, 1131480, 1171890, 1250016, 1367205, 1458352, 1508640, 1562520, 1640646, 1822940, 1875024, 2083360, 2187528, 2262960, 2343780, 2734410, 2916704, 3125040, 3281292, 3645880, 3750048, 4101615, 4375056, 4525920, 4687560, 5468820, 6250080, 6562584, 7291760, 8203230, 8750112, 9375120, 10937640, 13125168, 14583520, 16406460, 18750240, 21875280, 26250336, 32812920, 43750560, 65625840, 131251680]

約数ペア:

[(1, 131251680), (2, 65625840), (3, 43750560), (4, 32812920), (5, 26250336), (6, 21875280), (7, 18750240), (8, 16406460), (9, 14583520), (10, 13125168), (12, 10937640), (14, 9375120), (15, 8750112), (16, 8203230), (18, 7291760), (20, 6562584), (21, 6250080), (24, 5468820), (28, 4687560), (29, 4525920), (30, 4375056), (32, 4101615), (35, 3750048), (36, 3645880), (40, 3281292), (42, 3125040), (45, 2916704), (48, 2734410), (56, 2343780), (58, 2262960), (60, 2187528), (63, 2083360), (70, 1875024), (72, 1822940), (80, 1640646), (84, 1562520), (87, 1508640), (90, 1458352), (96, 1367205), (105, 1250016), (112, 1171890), (116, 1131480), (120, 1093764), (126, 1041680), (140, 937512), (144, 911470), (145, 905184), (160, 820323), (168, 781260), (174, 754320), (180, 729176), (203, 646560), (210, 625008), (224, 585945), (232, 565740), (240, 546882), (252, 520840), (261, 502880), (280, 468756), (288, 455735), (290, 452592), (315, 416672), (336, 390630), (348, 377160), (360, 364588), (406, 323280), (420, 312504), (435, 301728), (449, 292320), (464, 282870), (480, 273441), (504, 260420), (522, 251440), (560, 234378), (580, 226296), (609, 215520), (630, 208336), (672, 195315), (696, 188580), (720, 182294), (812, 161640), (840, 156252), (870, 150864), (898, 146160), (928, 141435), (1008, 130210), (1015, 129312), (1044, 125720), (1120, 117189), (1160, 113148), (1218, 107760), (1260, 104168), (1305, 100576), (1347, 97440), (1392, 94290), (1440, 91147), (1624, 80820), (1680, 78126), (1740, 75432), (1796, 73080), (1827, 71840), (2016, 65105), (2030, 64656), (2088, 62860), (2245, 58464), (2320, 56574), (2436, 53880), (2520, 52084), (2610, 50288), (2694, 48720), (2784, 47145), (3045, 43104), (3143, 41760), (3248, 40410), (3360, 39063), (3480, 37716), (3592, 36540), (3654, 35920), (4041, 32480), (4060, 32328), (4176, 31430), (4490, 29232), (4640, 28287), (4872, 26940), (5040, 26042), (5220, 25144), (5388, 24360), (6090, 21552), (6286, 20880), (6496, 20205), (6735, 19488), (6960, 18858), (7184, 18270), (7308, 17960), (8082, 16240), (8120, 16164), (8352, 15715), (8980, 14616), (9135, 14368), (9429, 13920), (9744, 13470), (10080, 13021), (10440, 12572), (10776, 12180)]