80644575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 146419200

約数和(自身を除く): 65774625

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 239, 275, 409, 717, 825, 1195, 1227, 2045, 2629, 3585, 4499, 5975, 6135, 7887, 10225, 13145, 13497, 17925, 22495, 30675, 39435, 65725, 67485, 97751, 112475, 197175, 293253, 337425, 488755, 1075261, 1466265, 2443775, 3225783, 5376305, 7331325, 16128915, 26881525, 80644575]

約数ペア:

[(1, 80644575), (3, 26881525), (5, 16128915), (11, 7331325), (15, 5376305), (25, 3225783), (33, 2443775), (55, 1466265), (75, 1075261), (165, 488755), (239, 337425), (275, 293253), (409, 197175), (717, 112475), (825, 97751), (1195, 67485), (1227, 65725), (2045, 39435), (2629, 30675), (3585, 22495), (4499, 17925), (5975, 13497), (6135, 13145), (7887, 10225)]