128243025

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 239401344

約数和(自身を除く): 111158319

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 67, 75, 141, 181, 201, 225, 235, 335, 423, 543, 603, 705, 905, 1005, 1175, 1629, 1675, 2115, 2715, 3015, 3149, 3525, 4525, 5025, 8145, 8507, 9447, 10575, 12127, 13575, 15075, 15745, 25521, 28341, 36381, 40725, 42535, 47235, 60635, 76563, 78725, 109143, 127605, 141705, 181905, 212675, 236175, 303175, 382815, 545715, 569969, 638025, 708525, 909525, 1709907, 1914075, 2728575, 2849845, 5129721, 8549535, 14249225, 25648605, 42747675, 128243025]

約数ペア:

[(1, 128243025), (3, 42747675), (5, 25648605), (9, 14249225), (15, 8549535), (25, 5129721), (45, 2849845), (47, 2728575), (67, 1914075), (75, 1709907), (141, 909525), (181, 708525), (201, 638025), (225, 569969), (235, 545715), (335, 382815), (423, 303175), (543, 236175), (603, 212675), (705, 181905), (905, 141705), (1005, 127605), (1175, 109143), (1629, 78725), (1675, 76563), (2115, 60635), (2715, 47235), (3015, 42535), (3149, 40725), (3525, 36381), (4525, 28341), (5025, 25521), (8145, 15745), (8507, 15075), (9447, 13575), (10575, 12127)]