19820640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:389

約数の個数: 192

約数和(自身を含む): 75769344

約数和(自身を除く): 55948704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 347, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 694, 714, 816, 840, 952, 1020, 1041, 1120, 1190, 1360, 1388, 1428, 1632, 1680, 1735, 1785, 1904, 2040, 2082, 2380, 2429, 2720, 2776, 2856, 3360, 3470, 3570, 3808, 4080, 4164, 4760, 4858, 5205, 5552, 5712, 5899, 6940, 7140, 7287, 8160, 8328, 9520, 9716, 10410, 11104, 11424, 11798, 12145, 13880, 14280, 14574, 16656, 17697, 19040, 19432, 20820, 23596, 24290, 27760, 28560, 29148, 29495, 33312, 35394, 36435, 38864, 41293, 41640, 47192, 48580, 55520, 57120, 58296, 58990, 70788, 72870, 77728, 82586, 83280, 88485, 94384, 97160, 116592, 117980, 123879, 141576, 145740, 165172, 166560, 176970, 188768, 194320, 206465, 233184, 235960, 247758, 283152, 291480, 330344, 353940, 388640, 412930, 471920, 495516, 566304, 582960, 619395, 660688, 707880, 825860, 943840, 991032, 1165920, 1238790, 1321376, 1415760, 1651720, 1982064, 2477580, 2831520, 3303440, 3964128, 4955160, 6606880, 9910320, 19820640]

約数ペア:

[(1, 19820640), (2, 9910320), (3, 6606880), (4, 4955160), (5, 3964128), (6, 3303440), (7, 2831520), (8, 2477580), (10, 1982064), (12, 1651720), (14, 1415760), (15, 1321376), (16, 1238790), (17, 1165920), (20, 991032), (21, 943840), (24, 825860), (28, 707880), (30, 660688), (32, 619395), (34, 582960), (35, 566304), (40, 495516), (42, 471920), (48, 412930), (51, 388640), (56, 353940), (60, 330344), (68, 291480), (70, 283152), (80, 247758), (84, 235960), (85, 233184), (96, 206465), (102, 194320), (105, 188768), (112, 176970), (119, 166560), (120, 165172), (136, 145740), (140, 141576), (160, 123879), (168, 117980), (170, 116592), (204, 97160), (210, 94384), (224, 88485), (238, 83280), (240, 82586), (255, 77728), (272, 72870), (280, 70788), (336, 58990), (340, 58296), (347, 57120), (357, 55520), (408, 48580), (420, 47192), (476, 41640), (480, 41293), (510, 38864), (544, 36435), (560, 35394), (595, 33312), (672, 29495), (680, 29148), (694, 28560), (714, 27760), (816, 24290), (840, 23596), (952, 20820), (1020, 19432), (1041, 19040), (1120, 17697), (1190, 16656), (1360, 14574), (1388, 14280), (1428, 13880), (1632, 12145), (1680, 11798), (1735, 11424), (1785, 11104), (1904, 10410), (2040, 9716), (2082, 9520), (2380, 8328), (2429, 8160), (2720, 7287), (2776, 7140), (2856, 6940), (3360, 5899), (3470, 5712), (3570, 5552), (3808, 5205), (4080, 4858), (4164, 4760)]