77906080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:571

約数の個数: 144

約数和(自身を含む): 225802080

約数和(自身を除く): 147896000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 523, 532, 560, 608, 665, 760, 784, 931, 980, 1046, 1064, 1120, 1330, 1520, 1568, 1862, 1960, 2092, 2128, 2615, 2660, 3040, 3661, 3724, 3920, 4184, 4256, 4655, 5230, 5320, 7322, 7448, 7840, 8368, 9310, 9937, 10460, 10640, 14644, 14896, 16736, 18305, 18620, 19874, 20920, 21280, 25627, 29288, 29792, 36610, 37240, 39748, 41840, 49685, 51254, 58576, 69559, 73220, 74480, 79496, 83680, 99370, 102508, 117152, 128135, 139118, 146440, 148960, 158992, 198740, 205016, 256270, 278236, 292880, 317984, 347795, 397480, 410032, 486913, 512540, 556472, 585760, 695590, 794960, 820064, 973826, 1025080, 1112944, 1391180, 1589920, 1947652, 2050160, 2225888, 2434565, 2782360, 3895304, 4100320, 4869130, 5564720, 7790608, 9738260, 11129440, 15581216, 19476520, 38953040, 77906080]

約数ペア:

[(1, 77906080), (2, 38953040), (4, 19476520), (5, 15581216), (7, 11129440), (8, 9738260), (10, 7790608), (14, 5564720), (16, 4869130), (19, 4100320), (20, 3895304), (28, 2782360), (32, 2434565), (35, 2225888), (38, 2050160), (40, 1947652), (49, 1589920), (56, 1391180), (70, 1112944), (76, 1025080), (80, 973826), (95, 820064), (98, 794960), (112, 695590), (133, 585760), (140, 556472), (152, 512540), (160, 486913), (190, 410032), (196, 397480), (224, 347795), (245, 317984), (266, 292880), (280, 278236), (304, 256270), (380, 205016), (392, 198740), (490, 158992), (523, 148960), (532, 146440), (560, 139118), (608, 128135), (665, 117152), (760, 102508), (784, 99370), (931, 83680), (980, 79496), (1046, 74480), (1064, 73220), (1120, 69559), (1330, 58576), (1520, 51254), (1568, 49685), (1862, 41840), (1960, 39748), (2092, 37240), (2128, 36610), (2615, 29792), (2660, 29288), (3040, 25627), (3661, 21280), (3724, 20920), (3920, 19874), (4184, 18620), (4256, 18305), (4655, 16736), (5230, 14896), (5320, 14644), (7322, 10640), (7448, 10460), (7840, 9937), (8368, 9310)]