318213280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1179

約数の個数: 192

約数和(自身を含む): 978905088

約数和(自身を除く): 660691808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 160, 161, 176, 184, 220, 224, 230, 253, 280, 308, 322, 352, 368, 385, 440, 460, 506, 560, 616, 644, 736, 770, 805, 880, 920, 1012, 1120, 1123, 1232, 1265, 1288, 1540, 1610, 1760, 1771, 1840, 2024, 2246, 2464, 2530, 2576, 3080, 3220, 3542, 3680, 4048, 4492, 5060, 5152, 5615, 6160, 6440, 7084, 7861, 8096, 8855, 8984, 10120, 11230, 12320, 12353, 12880, 14168, 15722, 17710, 17968, 20240, 22460, 24706, 25760, 25829, 28336, 31444, 35420, 35936, 39305, 40480, 44920, 49412, 51658, 56672, 61765, 62888, 70840, 78610, 86471, 89840, 98824, 103316, 123530, 125776, 129145, 141680, 157220, 172942, 179680, 180803, 197648, 206632, 247060, 251552, 258290, 283360, 284119, 314440, 345884, 361606, 395296, 413264, 432355, 494120, 516580, 568238, 628880, 691768, 723212, 826528, 864710, 904015, 988240, 1033160, 1136476, 1257760, 1383536, 1420595, 1446424, 1729420, 1808030, 1976480, 1988833, 2066320, 2272952, 2767072, 2841190, 2892848, 3458840, 3616060, 3977666, 4132640, 4545904, 5682380, 5785696, 6917680, 7232120, 7955332, 9091808, 9944165, 11364760, 13835360, 14464240, 15910664, 19888330, 22729520, 28928480, 31821328, 39776660, 45459040, 63642656, 79553320, 159106640, 318213280]

約数ペア:

[(1, 318213280), (2, 159106640), (4, 79553320), (5, 63642656), (7, 45459040), (8, 39776660), (10, 31821328), (11, 28928480), (14, 22729520), (16, 19888330), (20, 15910664), (22, 14464240), (23, 13835360), (28, 11364760), (32, 9944165), (35, 9091808), (40, 7955332), (44, 7232120), (46, 6917680), (55, 5785696), (56, 5682380), (70, 4545904), (77, 4132640), (80, 3977666), (88, 3616060), (92, 3458840), (110, 2892848), (112, 2841190), (115, 2767072), (140, 2272952), (154, 2066320), (160, 1988833), (161, 1976480), (176, 1808030), (184, 1729420), (220, 1446424), (224, 1420595), (230, 1383536), (253, 1257760), (280, 1136476), (308, 1033160), (322, 988240), (352, 904015), (368, 864710), (385, 826528), (440, 723212), (460, 691768), (506, 628880), (560, 568238), (616, 516580), (644, 494120), (736, 432355), (770, 413264), (805, 395296), (880, 361606), (920, 345884), (1012, 314440), (1120, 284119), (1123, 283360), (1232, 258290), (1265, 251552), (1288, 247060), (1540, 206632), (1610, 197648), (1760, 180803), (1771, 179680), (1840, 172942), (2024, 157220), (2246, 141680), (2464, 129145), (2530, 125776), (2576, 123530), (3080, 103316), (3220, 98824), (3542, 89840), (3680, 86471), (4048, 78610), (4492, 70840), (5060, 62888), (5152, 61765), (5615, 56672), (6160, 51658), (6440, 49412), (7084, 44920), (7861, 40480), (8096, 39305), (8855, 35936), (8984, 35420), (10120, 31444), (11230, 28336), (12320, 25829), (12353, 25760), (12880, 24706), (14168, 22460), (15722, 20240), (17710, 17968)]