15204920705

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 20407376640

約数和(自身を除く): 5202455935

約数列:

[1, 5, 13, 65, 67, 73, 169, 283, 335, 365, 845, 871, 949, 1415, 2197, 3679, 4355, 4745, 4891, 10985, 11323, 12337, 18395, 18961, 20659, 24455, 47827, 56615, 61685, 63583, 94805, 103295, 147199, 160381, 239135, 246493, 268567, 317915, 621751, 735995, 801905, 826579, 1232465, 1342835, 1384153, 3108755, 3204409, 3491371, 4132895, 6920765, 10745527, 16022045, 17456855, 17993989, 41657317, 45387823, 53727635, 89969945, 208286585, 226939115, 233921857, 1169609285, 3040984141, 15204920705]

約数ペア:

[(1, 15204920705), (5, 3040984141), (13, 1169609285), (65, 233921857), (67, 226939115), (73, 208286585), (169, 89969945), (283, 53727635), (335, 45387823), (365, 41657317), (845, 17993989), (871, 17456855), (949, 16022045), (1415, 10745527), (2197, 6920765), (3679, 4132895), (4355, 3491371), (4745, 3204409), (4891, 3108755), (10985, 1384153), (11323, 1342835), (12337, 1232465), (18395, 826579), (18961, 801905), (20659, 735995), (24455, 621751), (47827, 317915), (56615, 268567), (61685, 246493), (63583, 239135), (94805, 160381), (103295, 147199)]