168531440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:391

約数の個数: 160

約数和(自身を含む): 494968320

約数和(自身を除く): 326436880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 109, 110, 112, 140, 154, 176, 218, 220, 251, 280, 308, 385, 436, 440, 502, 545, 560, 616, 763, 770, 872, 880, 1004, 1090, 1199, 1232, 1255, 1526, 1540, 1744, 1757, 2008, 2180, 2398, 2510, 2761, 3052, 3080, 3514, 3815, 4016, 4360, 4796, 5020, 5522, 5995, 6104, 6160, 7028, 7630, 8393, 8720, 8785, 9592, 10040, 11044, 11990, 12208, 13805, 14056, 15260, 16786, 17570, 19184, 19327, 20080, 22088, 23980, 27359, 27610, 28112, 30520, 33572, 35140, 38654, 41965, 44176, 47960, 54718, 55220, 61040, 67144, 70280, 77308, 83930, 95920, 96635, 109436, 110440, 134288, 136795, 140560, 154616, 167860, 191513, 193270, 218872, 220880, 273590, 300949, 309232, 335720, 383026, 386540, 437744, 547180, 601898, 671440, 766052, 773080, 957565, 1094360, 1203796, 1504745, 1532104, 1546160, 1915130, 2106643, 2188720, 2407592, 3009490, 3064208, 3830260, 4213286, 4815184, 6018980, 7660520, 8426572, 10533215, 12037960, 15321040, 16853144, 21066430, 24075920, 33706288, 42132860, 84265720, 168531440]

約数ペア:

[(1, 168531440), (2, 84265720), (4, 42132860), (5, 33706288), (7, 24075920), (8, 21066430), (10, 16853144), (11, 15321040), (14, 12037960), (16, 10533215), (20, 8426572), (22, 7660520), (28, 6018980), (35, 4815184), (40, 4213286), (44, 3830260), (55, 3064208), (56, 3009490), (70, 2407592), (77, 2188720), (80, 2106643), (88, 1915130), (109, 1546160), (110, 1532104), (112, 1504745), (140, 1203796), (154, 1094360), (176, 957565), (218, 773080), (220, 766052), (251, 671440), (280, 601898), (308, 547180), (385, 437744), (436, 386540), (440, 383026), (502, 335720), (545, 309232), (560, 300949), (616, 273590), (763, 220880), (770, 218872), (872, 193270), (880, 191513), (1004, 167860), (1090, 154616), (1199, 140560), (1232, 136795), (1255, 134288), (1526, 110440), (1540, 109436), (1744, 96635), (1757, 95920), (2008, 83930), (2180, 77308), (2398, 70280), (2510, 67144), (2761, 61040), (3052, 55220), (3080, 54718), (3514, 47960), (3815, 44176), (4016, 41965), (4360, 38654), (4796, 35140), (5020, 33572), (5522, 30520), (5995, 28112), (6104, 27610), (6160, 27359), (7028, 23980), (7630, 22088), (8393, 20080), (8720, 19327), (8785, 19184), (9592, 17570), (10040, 16786), (11044, 15260), (11990, 14056), (12208, 13805)]