51780795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 96768000

約数和(自身を除く): 44987205

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 83, 95, 165, 199, 209, 249, 285, 415, 597, 627, 913, 995, 1045, 1245, 1577, 2189, 2739, 2985, 3135, 3781, 4565, 4731, 6567, 7885, 10945, 11343, 13695, 16517, 17347, 18905, 23655, 32835, 41591, 49551, 52041, 56715, 82585, 86735, 124773, 181687, 207955, 247755, 260205, 313823, 545061, 623865, 908435, 941469, 1569115, 2725305, 3452053, 4707345, 10356159, 17260265, 51780795]

約数ペア:

[(1, 51780795), (3, 17260265), (5, 10356159), (11, 4707345), (15, 3452053), (19, 2725305), (33, 1569115), (55, 941469), (57, 908435), (83, 623865), (95, 545061), (165, 313823), (199, 260205), (209, 247755), (249, 207955), (285, 181687), (415, 124773), (597, 86735), (627, 82585), (913, 56715), (995, 52041), (1045, 49551), (1245, 41591), (1577, 32835), (2189, 23655), (2739, 18905), (2985, 17347), (3135, 16517), (3781, 13695), (4565, 11343), (4731, 10945), (6567, 7885)]