1340395280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:781

約数の個数: 160

約数和(自身を含む): 3771187200

約数和(自身を除く): 2430791920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 263, 266, 280, 304, 380, 479, 526, 532, 560, 665, 760, 958, 1052, 1064, 1315, 1330, 1520, 1841, 1916, 2104, 2128, 2395, 2630, 2660, 3353, 3682, 3832, 4208, 4790, 4997, 5260, 5320, 6706, 7364, 7664, 9101, 9205, 9580, 9994, 10520, 10640, 13412, 14728, 16765, 18202, 18410, 19160, 19988, 21040, 24985, 26824, 29456, 33530, 34979, 36404, 36820, 38320, 39976, 45505, 49970, 53648, 63707, 67060, 69958, 72808, 73640, 79952, 91010, 99940, 125977, 127414, 134120, 139916, 145616, 147280, 174895, 182020, 199880, 251954, 254828, 268240, 279832, 318535, 349790, 364040, 399760, 503908, 509656, 559664, 629885, 637070, 699580, 728080, 881839, 1007816, 1019312, 1259770, 1274140, 1399160, 1763678, 2015632, 2393563, 2519540, 2548280, 2798320, 3527356, 4409195, 4787126, 5039080, 5096560, 7054712, 8818390, 9574252, 10078160, 11967815, 14109424, 16754941, 17636780, 19148504, 23935630, 33509882, 35273560, 38297008, 47871260, 67019764, 70547120, 83774705, 95742520, 134039528, 167549410, 191485040, 268079056, 335098820, 670197640, 1340395280]

約数ペア:

[(1, 1340395280), (2, 670197640), (4, 335098820), (5, 268079056), (7, 191485040), (8, 167549410), (10, 134039528), (14, 95742520), (16, 83774705), (19, 70547120), (20, 67019764), (28, 47871260), (35, 38297008), (38, 35273560), (40, 33509882), (56, 23935630), (70, 19148504), (76, 17636780), (80, 16754941), (95, 14109424), (112, 11967815), (133, 10078160), (140, 9574252), (152, 8818390), (190, 7054712), (263, 5096560), (266, 5039080), (280, 4787126), (304, 4409195), (380, 3527356), (479, 2798320), (526, 2548280), (532, 2519540), (560, 2393563), (665, 2015632), (760, 1763678), (958, 1399160), (1052, 1274140), (1064, 1259770), (1315, 1019312), (1330, 1007816), (1520, 881839), (1841, 728080), (1916, 699580), (2104, 637070), (2128, 629885), (2395, 559664), (2630, 509656), (2660, 503908), (3353, 399760), (3682, 364040), (3832, 349790), (4208, 318535), (4790, 279832), (4997, 268240), (5260, 254828), (5320, 251954), (6706, 199880), (7364, 182020), (7664, 174895), (9101, 147280), (9205, 145616), (9580, 139916), (9994, 134120), (10520, 127414), (10640, 125977), (13412, 99940), (14728, 91010), (16765, 79952), (18202, 73640), (18410, 72808), (19160, 69958), (19988, 67060), (21040, 63707), (24985, 53648), (26824, 49970), (29456, 45505), (33530, 39976), (34979, 38320), (36404, 36820)]