128020480

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:102

約数の個数: 208

約数和(自身を含む): 377441280

約数和(自身を除く): 249420800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 47, 56, 64, 70, 76, 80, 94, 95, 112, 128, 133, 140, 152, 160, 188, 190, 224, 235, 256, 266, 280, 304, 320, 329, 376, 380, 448, 470, 512, 532, 560, 608, 640, 658, 665, 752, 760, 893, 896, 940, 1024, 1064, 1120, 1216, 1280, 1316, 1330, 1504, 1520, 1645, 1786, 1792, 1880, 2048, 2128, 2240, 2432, 2560, 2632, 2660, 3008, 3040, 3290, 3572, 3584, 3760, 4096, 4256, 4465, 4480, 4864, 5120, 5264, 5320, 6016, 6080, 6251, 6580, 7144, 7168, 7520, 8512, 8930, 8960, 9728, 10240, 10528, 10640, 12032, 12160, 12502, 13160, 14288, 14336, 15040, 17024, 17860, 17920, 19456, 20480, 21056, 21280, 24064, 24320, 25004, 26320, 28576, 28672, 30080, 31255, 34048, 35720, 35840, 38912, 42112, 42560, 48128, 48640, 50008, 52640, 57152, 60160, 62510, 68096, 71440, 71680, 77824, 84224, 85120, 96256, 97280, 100016, 105280, 114304, 120320, 125020, 136192, 142880, 143360, 168448, 170240, 192512, 194560, 200032, 210560, 228608, 240640, 250040, 272384, 285760, 336896, 340480, 389120, 400064, 421120, 457216, 481280, 500080, 544768, 571520, 673792, 680960, 800128, 842240, 914432, 962560, 1000160, 1143040, 1347584, 1361920, 1600256, 1684480, 1828864, 2000320, 2286080, 2723840, 3200512, 3368960, 3657728, 4000640, 4572160, 6401024, 6737920, 8001280, 9144320, 12802048, 16002560, 18288640, 25604096, 32005120, 64010240, 128020480]

約数ペア:

[(1, 128020480), (2, 64010240), (4, 32005120), (5, 25604096), (7, 18288640), (8, 16002560), (10, 12802048), (14, 9144320), (16, 8001280), (19, 6737920), (20, 6401024), (28, 4572160), (32, 4000640), (35, 3657728), (38, 3368960), (40, 3200512), (47, 2723840), (56, 2286080), (64, 2000320), (70, 1828864), (76, 1684480), (80, 1600256), (94, 1361920), (95, 1347584), (112, 1143040), (128, 1000160), (133, 962560), (140, 914432), (152, 842240), (160, 800128), (188, 680960), (190, 673792), (224, 571520), (235, 544768), (256, 500080), (266, 481280), (280, 457216), (304, 421120), (320, 400064), (329, 389120), (376, 340480), (380, 336896), (448, 285760), (470, 272384), (512, 250040), (532, 240640), (560, 228608), (608, 210560), (640, 200032), (658, 194560), (665, 192512), (752, 170240), (760, 168448), (893, 143360), (896, 142880), (940, 136192), (1024, 125020), (1064, 120320), (1120, 114304), (1216, 105280), (1280, 100016), (1316, 97280), (1330, 96256), (1504, 85120), (1520, 84224), (1645, 77824), (1786, 71680), (1792, 71440), (1880, 68096), (2048, 62510), (2128, 60160), (2240, 57152), (2432, 52640), (2560, 50008), (2632, 48640), (2660, 48128), (3008, 42560), (3040, 42112), (3290, 38912), (3572, 35840), (3584, 35720), (3760, 34048), (4096, 31255), (4256, 30080), (4465, 28672), (4480, 28576), (4864, 26320), (5120, 25004), (5264, 24320), (5320, 24064), (6016, 21280), (6080, 21056), (6251, 20480), (6580, 19456), (7144, 17920), (7168, 17860), (7520, 17024), (8512, 15040), (8930, 14336), (8960, 14288), (9728, 13160), (10240, 12502), (10528, 12160), (10640, 12032)]