135469720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 311351040

約数和(自身を除く): 175881320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 131, 206, 251, 262, 412, 502, 515, 524, 655, 824, 1004, 1030, 1048, 1255, 1310, 2008, 2060, 2510, 2620, 4120, 5020, 5240, 10040, 13493, 25853, 26986, 32881, 51706, 53972, 65762, 67465, 103412, 107944, 129265, 131524, 134930, 164405, 206824, 258530, 263048, 269860, 328810, 517060, 539720, 657620, 1034120, 1315240, 3386743, 6773486, 13546972, 16933715, 27093944, 33867430, 67734860, 135469720]

約数ペア:

[(1, 135469720), (2, 67734860), (4, 33867430), (5, 27093944), (8, 16933715), (10, 13546972), (20, 6773486), (40, 3386743), (103, 1315240), (131, 1034120), (206, 657620), (251, 539720), (262, 517060), (412, 328810), (502, 269860), (515, 263048), (524, 258530), (655, 206824), (824, 164405), (1004, 134930), (1030, 131524), (1048, 129265), (1255, 107944), (1310, 103412), (2008, 67465), (2060, 65762), (2510, 53972), (2620, 51706), (4120, 32881), (5020, 26986), (5240, 25853), (10040, 13493)]