131538680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{36137}}^1$

素因数の和:36168

約数の個数: 64

約数和(自身を含む): 364271040

約数和(自身を除く): 232732360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 36137, 72274, 144548, 180685, 252959, 289096, 361370, 469781, 505918, 722740, 939562, 1011836, 1264795, 1445480, 1879124, 2023672, 2348905, 2529590, 3288467, 3758248, 4697810, 5059180, 6576934, 9395620, 10118360, 13153868, 16442335, 18791240, 26307736, 32884670, 65769340, 131538680]

約数ペア:

[(1, 131538680), (2, 65769340), (4, 32884670), (5, 26307736), (7, 18791240), (8, 16442335), (10, 13153868), (13, 10118360), (14, 9395620), (20, 6576934), (26, 5059180), (28, 4697810), (35, 3758248), (40, 3288467), (52, 2529590), (56, 2348905), (65, 2023672), (70, 1879124), (91, 1445480), (104, 1264795), (130, 1011836), (140, 939562), (182, 722740), (260, 505918), (280, 469781), (364, 361370), (455, 289096), (520, 252959), (728, 180685), (910, 144548), (1820, 72274), (3640, 36137)]