15666254775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89381}}^1$

素因数の和:89457

約数の個数: 72

約数和(自身を含む): 30257594640

約数和(自身を除く): 14591339865

約数列:

[1, 3, 5, 9, 15, 19, 25, 41, 45, 57, 75, 95, 123, 171, 205, 225, 285, 369, 475, 615, 779, 855, 1025, 1425, 1845, 2337, 3075, 3895, 4275, 7011, 9225, 11685, 19475, 35055, 58425, 89381, 175275, 268143, 446905, 804429, 1340715, 1698239, 2234525, 3664621, 4022145, 5094717, 6703575, 8491195, 10993863, 15284151, 18323105, 20110725, 25473585, 32981589, 42455975, 54969315, 69627799, 76420755, 91615525, 127367925, 164907945, 208883397, 274846575, 348138995, 382103775, 626650191, 824539725, 1044416985, 1740694975, 3133250955, 5222084925, 15666254775]

約数ペア:

[(1, 15666254775), (3, 5222084925), (5, 3133250955), (9, 1740694975), (15, 1044416985), (19, 824539725), (25, 626650191), (41, 382103775), (45, 348138995), (57, 274846575), (75, 208883397), (95, 164907945), (123, 127367925), (171, 91615525), (205, 76420755), (225, 69627799), (285, 54969315), (369, 42455975), (475, 32981589), (615, 25473585), (779, 20110725), (855, 18323105), (1025, 15284151), (1425, 10993863), (1845, 8491195), (2337, 6703575), (3075, 5094717), (3895, 4022145), (4275, 3664621), (7011, 2234525), (9225, 1698239), (11685, 1340715), (19475, 804429), (35055, 446905), (58425, 268143), (89381, 175275)]