19837440

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 320

約数和(自身を含む): 82494720

約数和(自身を除く): 62657280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 41, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 82, 84, 90, 96, 105, 108, 112, 120, 123, 126, 128, 135, 140, 144, 160, 164, 168, 180, 189, 192, 205, 210, 216, 224, 240, 246, 252, 256, 270, 280, 287, 288, 315, 320, 328, 336, 360, 369, 378, 384, 410, 420, 432, 448, 480, 492, 504, 512, 540, 560, 574, 576, 615, 630, 640, 656, 672, 720, 738, 756, 768, 820, 840, 861, 864, 896, 945, 960, 984, 1008, 1080, 1107, 1120, 1148, 1152, 1230, 1260, 1280, 1312, 1344, 1435, 1440, 1476, 1512, 1536, 1640, 1680, 1722, 1728, 1792, 1845, 1890, 1920, 1968, 2016, 2160, 2214, 2240, 2296, 2304, 2460, 2520, 2560, 2583, 2624, 2688, 2870, 2880, 2952, 3024, 3280, 3360, 3444, 3456, 3584, 3690, 3780, 3840, 3936, 4032, 4305, 4320, 4428, 4480, 4592, 4608, 4920, 5040, 5166, 5248, 5376, 5535, 5740, 5760, 5904, 6048, 6560, 6720, 6888, 6912, 7380, 7560, 7680, 7749, 7872, 8064, 8610, 8640, 8856, 8960, 9184, 9840, 10080, 10332, 10496, 10752, 11070, 11480, 11520, 11808, 12096, 12915, 13120, 13440, 13776, 13824, 14760, 15120, 15498, 15744, 16128, 17220, 17280, 17712, 17920, 18368, 19680, 20160, 20664, 20992, 22140, 22960, 23040, 23616, 24192, 25830, 26240, 26880, 27552, 29520, 30240, 30996, 31488, 32256, 34440, 34560, 35424, 36736, 38745, 39360, 40320, 41328, 44280, 45920, 47232, 48384, 51660, 52480, 53760, 55104, 59040, 60480, 61992, 62976, 68880, 69120, 70848, 73472, 77490, 78720, 80640, 82656, 88560, 91840, 94464, 96768, 103320, 104960, 110208, 118080, 120960, 123984, 137760, 141696, 146944, 154980, 157440, 161280, 165312, 177120, 183680, 188928, 206640, 220416, 236160, 241920, 247968, 275520, 283392, 309960, 314880, 330624, 354240, 367360, 413280, 440832, 472320, 483840, 495936, 551040, 566784, 619920, 661248, 708480, 734720, 826560, 944640, 991872, 1102080, 1239840, 1322496, 1416960, 1653120, 1983744, 2204160, 2479680, 2833920, 3306240, 3967488, 4959360, 6612480, 9918720, 19837440]

約数ペア:

[(1, 19837440), (2, 9918720), (3, 6612480), (4, 4959360), (5, 3967488), (6, 3306240), (7, 2833920), (8, 2479680), (9, 2204160), (10, 1983744), (12, 1653120), (14, 1416960), (15, 1322496), (16, 1239840), (18, 1102080), (20, 991872), (21, 944640), (24, 826560), (27, 734720), (28, 708480), (30, 661248), (32, 619920), (35, 566784), (36, 551040), (40, 495936), (41, 483840), (42, 472320), (45, 440832), (48, 413280), (54, 367360), (56, 354240), (60, 330624), (63, 314880), (64, 309960), (70, 283392), (72, 275520), (80, 247968), (82, 241920), (84, 236160), (90, 220416), (96, 206640), (105, 188928), (108, 183680), (112, 177120), (120, 165312), (123, 161280), (126, 157440), (128, 154980), (135, 146944), (140, 141696), (144, 137760), (160, 123984), (164, 120960), (168, 118080), (180, 110208), (189, 104960), (192, 103320), (205, 96768), (210, 94464), (216, 91840), (224, 88560), (240, 82656), (246, 80640), (252, 78720), (256, 77490), (270, 73472), (280, 70848), (287, 69120), (288, 68880), (315, 62976), (320, 61992), (328, 60480), (336, 59040), (360, 55104), (369, 53760), (378, 52480), (384, 51660), (410, 48384), (420, 47232), (432, 45920), (448, 44280), (480, 41328), (492, 40320), (504, 39360), (512, 38745), (540, 36736), (560, 35424), (574, 34560), (576, 34440), (615, 32256), (630, 31488), (640, 30996), (656, 30240), (672, 29520), (720, 27552), (738, 26880), (756, 26240), (768, 25830), (820, 24192), (840, 23616), (861, 23040), (864, 22960), (896, 22140), (945, 20992), (960, 20664), (984, 20160), (1008, 19680), (1080, 18368), (1107, 17920), (1120, 17712), (1148, 17280), (1152, 17220), (1230, 16128), (1260, 15744), (1280, 15498), (1312, 15120), (1344, 14760), (1435, 13824), (1440, 13776), (1476, 13440), (1512, 13120), (1536, 12915), (1640, 12096), (1680, 11808), (1722, 11520), (1728, 11480), (1792, 11070), (1845, 10752), (1890, 10496), (1920, 10332), (1968, 10080), (2016, 9840), (2160, 9184), (2214, 8960), (2240, 8856), (2296, 8640), (2304, 8610), (2460, 8064), (2520, 7872), (2560, 7749), (2583, 7680), (2624, 7560), (2688, 7380), (2870, 6912), (2880, 6888), (2952, 6720), (3024, 6560), (3280, 6048), (3360, 5904), (3444, 5760), (3456, 5740), (3584, 5535), (3690, 5376), (3780, 5248), (3840, 5166), (3936, 5040), (4032, 4920), (4305, 4608), (4320, 4592), (4428, 4480)]