20161145175

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1987}}^1\times {\mathrm{2293}}^1$

素因数の和:4352

約数の個数: 48

約数和(自身を含む): 33929911680

約数和(自身を除く): 13768766505

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 1987, 2293, 4425, 5961, 6879, 9935, 11465, 29805, 34395, 49675, 57325, 117233, 135287, 149025, 171975, 351699, 405861, 586165, 676435, 1758495, 2029305, 2930825, 3382175, 4556191, 8792475, 10146525, 13668573, 22780955, 68342865, 113904775, 268815269, 341714325, 806445807, 1344076345, 4032229035, 6720381725, 20161145175]

約数ペア:

[(1, 20161145175), (3, 6720381725), (5, 4032229035), (15, 1344076345), (25, 806445807), (59, 341714325), (75, 268815269), (177, 113904775), (295, 68342865), (885, 22780955), (1475, 13668573), (1987, 10146525), (2293, 8792475), (4425, 4556191), (5961, 3382175), (6879, 2930825), (9935, 2029305), (11465, 1758495), (29805, 676435), (34395, 586165), (49675, 405861), (57325, 351699), (117233, 171975), (135287, 149025)]