51561450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:936

約数の個数: 72

約数和(自身を含む): 139639500

約数和(自身を除く): 88078050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 149, 150, 225, 298, 447, 450, 745, 769, 894, 1341, 1490, 1538, 2235, 2307, 2682, 3725, 3845, 4470, 4614, 6705, 6921, 7450, 7690, 11175, 11535, 13410, 13842, 19225, 22350, 23070, 33525, 34605, 38450, 57675, 67050, 69210, 114581, 115350, 173025, 229162, 343743, 346050, 572905, 687486, 1031229, 1145810, 1718715, 2062458, 2864525, 3437430, 5156145, 5729050, 8593575, 10312290, 17187150, 25780725, 51561450]

約数ペア:

[(1, 51561450), (2, 25780725), (3, 17187150), (5, 10312290), (6, 8593575), (9, 5729050), (10, 5156145), (15, 3437430), (18, 2864525), (25, 2062458), (30, 1718715), (45, 1145810), (50, 1031229), (75, 687486), (90, 572905), (149, 346050), (150, 343743), (225, 229162), (298, 173025), (447, 115350), (450, 114581), (745, 69210), (769, 67050), (894, 57675), (1341, 38450), (1490, 34605), (1538, 33525), (2235, 23070), (2307, 22350), (2682, 19225), (3725, 13842), (3845, 13410), (4470, 11535), (4614, 11175), (6705, 7690), (6921, 7450)]