256040960

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 224

約数和(自身を含む): 754928640

約数和(自身を除く): 498887680

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, 8192, 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, 40960, 42112, 42560, 48128, 48640, 50008, 52640, 57152, 57344, 60160, 62510, 68096, 71440, 71680, 77824, 84224, 85120, 96256, 97280, 100016, 105280, 114304, 120320, 125020, 136192, 142880, 143360, 155648, 168448, 170240, 192512, 194560, 200032, 210560, 228608, 240640, 250040, 272384, 285760, 286720, 336896, 340480, 385024, 389120, 400064, 421120, 457216, 481280, 500080, 544768, 571520, 673792, 680960, 778240, 800128, 842240, 914432, 962560, 1000160, 1089536, 1143040, 1347584, 1361920, 1600256, 1684480, 1828864, 1925120, 2000320, 2286080, 2695168, 2723840, 3200512, 3368960, 3657728, 4000640, 4572160, 5447680, 6401024, 6737920, 7315456, 8001280, 9144320, 12802048, 13475840, 16002560, 18288640, 25604096, 32005120, 36577280, 51208192, 64010240, 128020480, 256040960]

約数ペア:

[(1, 256040960), (2, 128020480), (4, 64010240), (5, 51208192), (7, 36577280), (8, 32005120), (10, 25604096), (14, 18288640), (16, 16002560), (19, 13475840), (20, 12802048), (28, 9144320), (32, 8001280), (35, 7315456), (38, 6737920), (40, 6401024), (47, 5447680), (56, 4572160), (64, 4000640), (70, 3657728), (76, 3368960), (80, 3200512), (94, 2723840), (95, 2695168), (112, 2286080), (128, 2000320), (133, 1925120), (140, 1828864), (152, 1684480), (160, 1600256), (188, 1361920), (190, 1347584), (224, 1143040), (235, 1089536), (256, 1000160), (266, 962560), (280, 914432), (304, 842240), (320, 800128), (329, 778240), (376, 680960), (380, 673792), (448, 571520), (470, 544768), (512, 500080), (532, 481280), (560, 457216), (608, 421120), (640, 400064), (658, 389120), (665, 385024), (752, 340480), (760, 336896), (893, 286720), (896, 285760), (940, 272384), (1024, 250040), (1064, 240640), (1120, 228608), (1216, 210560), (1280, 200032), (1316, 194560), (1330, 192512), (1504, 170240), (1520, 168448), (1645, 155648), (1786, 143360), (1792, 142880), (1880, 136192), (2048, 125020), (2128, 120320), (2240, 114304), (2432, 105280), (2560, 100016), (2632, 97280), (2660, 96256), (3008, 85120), (3040, 84224), (3290, 77824), (3572, 71680), (3584, 71440), (3760, 68096), (4096, 62510), (4256, 60160), (4465, 57344), (4480, 57152), (4864, 52640), (5120, 50008), (5264, 48640), (5320, 48128), (6016, 42560), (6080, 42112), (6251, 40960), (6580, 38912), (7144, 35840), (7168, 35720), (7520, 34048), (8192, 31255), (8512, 30080), (8930, 28672), (8960, 28576), (9728, 26320), (10240, 25004), (10528, 24320), (10640, 24064), (12032, 21280), (12160, 21056), (12502, 20480), (13160, 19456), (14288, 17920), (14336, 17860), (15040, 17024)]