168193720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 386104320

約数和(自身を除く): 217910600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 127, 226, 254, 293, 452, 508, 565, 586, 635, 904, 1016, 1130, 1172, 1270, 1465, 2260, 2344, 2540, 2930, 4520, 5080, 5860, 11720, 14351, 28702, 33109, 37211, 57404, 66218, 71755, 74422, 114808, 132436, 143510, 148844, 165545, 186055, 264872, 287020, 297688, 331090, 372110, 574040, 662180, 744220, 1324360, 1488440, 4204843, 8409686, 16819372, 21024215, 33638744, 42048430, 84096860, 168193720]

約数ペア:

[(1, 168193720), (2, 84096860), (4, 42048430), (5, 33638744), (8, 21024215), (10, 16819372), (20, 8409686), (40, 4204843), (113, 1488440), (127, 1324360), (226, 744220), (254, 662180), (293, 574040), (452, 372110), (508, 331090), (565, 297688), (586, 287020), (635, 264872), (904, 186055), (1016, 165545), (1130, 148844), (1172, 143510), (1270, 132436), (1465, 114808), (2260, 74422), (2344, 71755), (2540, 66218), (2930, 57404), (4520, 37211), (5080, 33109), (5860, 28702), (11720, 14351)]