19847520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:218

約数の個数: 288

約数和(自身を含む): 84913920

約数和(自身を除く): 65066400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 179, 180, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 330, 336, 352, 358, 360, 385, 396, 420, 440, 462, 480, 495, 504, 528, 537, 560, 616, 630, 660, 672, 693, 716, 720, 770, 792, 840, 880, 895, 924, 990, 1008, 1056, 1074, 1120, 1155, 1232, 1253, 1260, 1320, 1386, 1432, 1440, 1540, 1584, 1611, 1680, 1760, 1790, 1848, 1969, 1980, 2016, 2148, 2310, 2464, 2506, 2520, 2640, 2685, 2772, 2864, 3080, 3168, 3222, 3360, 3465, 3580, 3696, 3759, 3938, 3960, 4296, 4620, 5012, 5040, 5280, 5370, 5544, 5728, 5907, 6160, 6265, 6444, 6930, 7160, 7392, 7518, 7876, 7920, 8055, 8592, 9240, 9845, 10024, 10080, 10740, 11088, 11277, 11814, 12320, 12530, 12888, 13783, 13860, 14320, 15036, 15752, 15840, 16110, 17184, 17721, 18480, 18795, 19690, 20048, 21480, 22176, 22554, 23628, 25060, 25776, 27566, 27720, 28640, 29535, 30072, 31504, 32220, 35442, 36960, 37590, 39380, 40096, 41349, 42960, 45108, 47256, 50120, 51552, 55132, 55440, 56385, 59070, 60144, 63008, 64440, 68915, 70884, 75180, 78760, 82698, 85920, 88605, 90216, 94512, 100240, 110264, 110880, 112770, 118140, 120288, 124047, 128880, 137830, 141768, 150360, 157520, 165396, 177210, 180432, 189024, 200480, 206745, 220528, 225540, 236280, 248094, 257760, 275660, 283536, 300720, 315040, 330792, 354420, 360864, 413490, 441056, 451080, 472560, 496188, 551320, 567072, 601440, 620235, 661584, 708840, 826980, 902160, 945120, 992376, 1102640, 1240470, 1323168, 1417680, 1653960, 1804320, 1984752, 2205280, 2480940, 2835360, 3307920, 3969504, 4961880, 6615840, 9923760, 19847520]

約数ペア:

[(1, 19847520), (2, 9923760), (3, 6615840), (4, 4961880), (5, 3969504), (6, 3307920), (7, 2835360), (8, 2480940), (9, 2205280), (10, 1984752), (11, 1804320), (12, 1653960), (14, 1417680), (15, 1323168), (16, 1240470), (18, 1102640), (20, 992376), (21, 945120), (22, 902160), (24, 826980), (28, 708840), (30, 661584), (32, 620235), (33, 601440), (35, 567072), (36, 551320), (40, 496188), (42, 472560), (44, 451080), (45, 441056), (48, 413490), (55, 360864), (56, 354420), (60, 330792), (63, 315040), (66, 300720), (70, 283536), (72, 275660), (77, 257760), (80, 248094), (84, 236280), (88, 225540), (90, 220528), (96, 206745), (99, 200480), (105, 189024), (110, 180432), (112, 177210), (120, 165396), (126, 157520), (132, 150360), (140, 141768), (144, 137830), (154, 128880), (160, 124047), (165, 120288), (168, 118140), (176, 112770), (179, 110880), (180, 110264), (198, 100240), (210, 94512), (220, 90216), (224, 88605), (231, 85920), (240, 82698), (252, 78760), (264, 75180), (280, 70884), (288, 68915), (308, 64440), (315, 63008), (330, 60144), (336, 59070), (352, 56385), (358, 55440), (360, 55132), (385, 51552), (396, 50120), (420, 47256), (440, 45108), (462, 42960), (480, 41349), (495, 40096), (504, 39380), (528, 37590), (537, 36960), (560, 35442), (616, 32220), (630, 31504), (660, 30072), (672, 29535), (693, 28640), (716, 27720), (720, 27566), (770, 25776), (792, 25060), (840, 23628), (880, 22554), (895, 22176), (924, 21480), (990, 20048), (1008, 19690), (1056, 18795), (1074, 18480), (1120, 17721), (1155, 17184), (1232, 16110), (1253, 15840), (1260, 15752), (1320, 15036), (1386, 14320), (1432, 13860), (1440, 13783), (1540, 12888), (1584, 12530), (1611, 12320), (1680, 11814), (1760, 11277), (1790, 11088), (1848, 10740), (1969, 10080), (1980, 10024), (2016, 9845), (2148, 9240), (2310, 8592), (2464, 8055), (2506, 7920), (2520, 7876), (2640, 7518), (2685, 7392), (2772, 7160), (2864, 6930), (3080, 6444), (3168, 6265), (3222, 6160), (3360, 5907), (3465, 5728), (3580, 5544), (3696, 5370), (3759, 5280), (3938, 5040), (3960, 5012), (4296, 4620)]