131805080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 348986880

約数和(自身を除く): 217181800

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 67, 68, 85, 88, 110, 134, 136, 170, 187, 220, 263, 268, 335, 340, 374, 440, 526, 536, 670, 680, 737, 748, 935, 1052, 1139, 1315, 1340, 1474, 1496, 1870, 2104, 2278, 2630, 2680, 2893, 2948, 3685, 3740, 4471, 4556, 5260, 5695, 5786, 5896, 7370, 7480, 8942, 9112, 10520, 11390, 11572, 12529, 14465, 14740, 17621, 17884, 22355, 22780, 23144, 25058, 28930, 29480, 35242, 35768, 44710, 45560, 49181, 50116, 57860, 62645, 70484, 88105, 89420, 98362, 100232, 115720, 125290, 140968, 176210, 178840, 193831, 196724, 245905, 250580, 299557, 352420, 387662, 393448, 491810, 501160, 599114, 704840, 775324, 969155, 983620, 1198228, 1497785, 1550648, 1938310, 1967240, 2396456, 2995570, 3295127, 3876620, 5991140, 6590254, 7753240, 11982280, 13180508, 16475635, 26361016, 32951270, 65902540, 131805080]

約数ペア:

[(1, 131805080), (2, 65902540), (4, 32951270), (5, 26361016), (8, 16475635), (10, 13180508), (11, 11982280), (17, 7753240), (20, 6590254), (22, 5991140), (34, 3876620), (40, 3295127), (44, 2995570), (55, 2396456), (67, 1967240), (68, 1938310), (85, 1550648), (88, 1497785), (110, 1198228), (134, 983620), (136, 969155), (170, 775324), (187, 704840), (220, 599114), (263, 501160), (268, 491810), (335, 393448), (340, 387662), (374, 352420), (440, 299557), (526, 250580), (536, 245905), (670, 196724), (680, 193831), (737, 178840), (748, 176210), (935, 140968), (1052, 125290), (1139, 115720), (1315, 100232), (1340, 98362), (1474, 89420), (1496, 88105), (1870, 70484), (2104, 62645), (2278, 57860), (2630, 50116), (2680, 49181), (2893, 45560), (2948, 44710), (3685, 35768), (3740, 35242), (4471, 29480), (4556, 28930), (5260, 25058), (5695, 23144), (5786, 22780), (5896, 22355), (7370, 17884), (7480, 17621), (8942, 14740), (9112, 14465), (10520, 12529), (11390, 11572)]