278322719960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1\times {\mathrm{1559}}^1$

素因数の和:2121

約数の個数: 128

約数和(自身を含む): 639199641600

約数和(自身を除く): 360876921640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 127, 226, 254, 311, 452, 508, 565, 622, 635, 904, 1016, 1130, 1244, 1270, 1555, 1559, 2260, 2488, 2540, 3110, 3118, 4520, 5080, 6220, 6236, 7795, 12440, 12472, 14351, 15590, 28702, 31180, 35143, 39497, 57404, 62360, 70286, 71755, 78994, 114808, 140572, 143510, 157988, 175715, 176167, 197485, 197993, 281144, 287020, 315976, 351430, 352334, 394970, 395986, 484849, 574040, 702860, 704668, 789940, 791972, 880835, 969698, 989965, 1405720, 1409336, 1579880, 1583944, 1761670, 1939396, 1979930, 2424245, 3523340, 3878792, 3959860, 4463161, 4848490, 7046680, 7919720, 8926322, 9696980, 17852644, 19393960, 22315805, 22373209, 35705288, 44631610, 44746418, 54787937, 61575823, 89263220, 89492836, 109575874, 111866045, 123151646, 178526440, 178985672, 219151748, 223732090, 246303292, 273939685, 307879115, 438303496, 447464180, 492606584, 547879370, 615758230, 894928360, 1095758740, 1231516460, 2191517480, 2463032920, 6958067999, 13916135998, 27832271996, 34790339995, 55664543992, 69580679990, 139161359980, 278322719960]

約数ペア:

[(1, 278322719960), (2, 139161359980), (4, 69580679990), (5, 55664543992), (8, 34790339995), (10, 27832271996), (20, 13916135998), (40, 6958067999), (113, 2463032920), (127, 2191517480), (226, 1231516460), (254, 1095758740), (311, 894928360), (452, 615758230), (508, 547879370), (565, 492606584), (622, 447464180), (635, 438303496), (904, 307879115), (1016, 273939685), (1130, 246303292), (1244, 223732090), (1270, 219151748), (1555, 178985672), (1559, 178526440), (2260, 123151646), (2488, 111866045), (2540, 109575874), (3110, 89492836), (3118, 89263220), (4520, 61575823), (5080, 54787937), (6220, 44746418), (6236, 44631610), (7795, 35705288), (12440, 22373209), (12472, 22315805), (14351, 19393960), (15590, 17852644), (28702, 9696980), (31180, 8926322), (35143, 7919720), (39497, 7046680), (57404, 4848490), (62360, 4463161), (70286, 3959860), (71755, 3878792), (78994, 3523340), (114808, 2424245), (140572, 1979930), (143510, 1939396), (157988, 1761670), (175715, 1583944), (176167, 1579880), (197485, 1409336), (197993, 1405720), (281144, 989965), (287020, 969698), (315976, 880835), (351430, 791972), (352334, 789940), (394970, 704668), (395986, 702860), (484849, 574040)]