127599440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 315217920

約数和(自身を除く): 187618480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 508, 635, 661, 760, 1016, 1270, 1322, 1520, 2032, 2413, 2540, 2644, 3305, 4826, 5080, 5288, 6610, 9652, 10160, 10576, 12065, 12559, 13220, 19304, 24130, 25118, 26440, 38608, 48260, 50236, 52880, 62795, 83947, 96520, 100472, 125590, 167894, 193040, 200944, 251180, 335788, 419735, 502360, 671576, 839470, 1004720, 1343152, 1594993, 1678940, 3189986, 3357880, 6379972, 6715760, 7974965, 12759944, 15949930, 25519888, 31899860, 63799720, 127599440]

約数ペア:

[(1, 127599440), (2, 63799720), (4, 31899860), (5, 25519888), (8, 15949930), (10, 12759944), (16, 7974965), (19, 6715760), (20, 6379972), (38, 3357880), (40, 3189986), (76, 1678940), (80, 1594993), (95, 1343152), (127, 1004720), (152, 839470), (190, 671576), (254, 502360), (304, 419735), (380, 335788), (508, 251180), (635, 200944), (661, 193040), (760, 167894), (1016, 125590), (1270, 100472), (1322, 96520), (1520, 83947), (2032, 62795), (2413, 52880), (2540, 50236), (2644, 48260), (3305, 38608), (4826, 26440), (5080, 25118), (5288, 24130), (6610, 19304), (9652, 13220), (10160, 12559), (10576, 12065)]