171857840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1$

素因数の和:1267

約数の個数: 160

約数和(自身を含む): 520252416

約数和(自身を除く): 348394576

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 161, 176, 184, 220, 230, 253, 280, 308, 322, 368, 385, 440, 460, 506, 560, 616, 644, 770, 805, 880, 920, 1012, 1213, 1232, 1265, 1288, 1540, 1610, 1771, 1840, 2024, 2426, 2530, 2576, 3080, 3220, 3542, 4048, 4852, 5060, 6065, 6160, 6440, 7084, 8491, 8855, 9704, 10120, 12130, 12880, 13343, 14168, 16982, 17710, 19408, 20240, 24260, 26686, 27899, 28336, 33964, 35420, 42455, 48520, 53372, 55798, 66715, 67928, 70840, 84910, 93401, 97040, 106744, 111596, 133430, 135856, 139495, 141680, 169820, 186802, 195293, 213488, 223192, 266860, 278990, 306889, 339640, 373604, 390586, 446384, 467005, 533720, 557980, 613778, 679280, 747208, 781172, 934010, 976465, 1067440, 1115960, 1227556, 1494416, 1534445, 1562344, 1868020, 1952930, 2148223, 2231920, 2455112, 3068890, 3124688, 3736040, 3905860, 4296446, 4910224, 6137780, 7472080, 7811720, 8592892, 10741115, 12275560, 15623440, 17185784, 21482230, 24551120, 34371568, 42964460, 85928920, 171857840]

約数ペア:

[(1, 171857840), (2, 85928920), (4, 42964460), (5, 34371568), (7, 24551120), (8, 21482230), (10, 17185784), (11, 15623440), (14, 12275560), (16, 10741115), (20, 8592892), (22, 7811720), (23, 7472080), (28, 6137780), (35, 4910224), (40, 4296446), (44, 3905860), (46, 3736040), (55, 3124688), (56, 3068890), (70, 2455112), (77, 2231920), (80, 2148223), (88, 1952930), (92, 1868020), (110, 1562344), (112, 1534445), (115, 1494416), (140, 1227556), (154, 1115960), (161, 1067440), (176, 976465), (184, 934010), (220, 781172), (230, 747208), (253, 679280), (280, 613778), (308, 557980), (322, 533720), (368, 467005), (385, 446384), (440, 390586), (460, 373604), (506, 339640), (560, 306889), (616, 278990), (644, 266860), (770, 223192), (805, 213488), (880, 195293), (920, 186802), (1012, 169820), (1213, 141680), (1232, 139495), (1265, 135856), (1288, 133430), (1540, 111596), (1610, 106744), (1771, 97040), (1840, 93401), (2024, 84910), (2426, 70840), (2530, 67928), (2576, 66715), (3080, 55798), (3220, 53372), (3542, 48520), (4048, 42455), (4852, 35420), (5060, 33964), (6065, 28336), (6160, 27899), (6440, 26686), (7084, 24260), (8491, 20240), (8855, 19408), (9704, 17710), (10120, 16982), (12130, 14168), (12880, 13343)]