78401025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 150883200

約数和(自身を除く): 72482175

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 103, 153, 199, 225, 255, 309, 425, 515, 597, 765, 927, 995, 1275, 1545, 1751, 1791, 2575, 2985, 3383, 3825, 4635, 4975, 5253, 7725, 8755, 8955, 10149, 14925, 15759, 16915, 20497, 23175, 26265, 30447, 43775, 44775, 50745, 61491, 78795, 84575, 102485, 131325, 152235, 184473, 253725, 307455, 348449, 393975, 512425, 761175, 922365, 1045347, 1537275, 1742245, 3136041, 4611825, 5226735, 8711225, 15680205, 26133675, 78401025]

約数ペア:

[(1, 78401025), (3, 26133675), (5, 15680205), (9, 8711225), (15, 5226735), (17, 4611825), (25, 3136041), (45, 1742245), (51, 1537275), (75, 1045347), (85, 922365), (103, 761175), (153, 512425), (199, 393975), (225, 348449), (255, 307455), (309, 253725), (425, 184473), (515, 152235), (597, 131325), (765, 102485), (927, 84575), (995, 78795), (1275, 61491), (1545, 50745), (1751, 44775), (1791, 43775), (2575, 30447), (2985, 26265), (3383, 23175), (3825, 20497), (4635, 16915), (4975, 15759), (5253, 14925), (7725, 10149), (8755, 8955)]