78128175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2113}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 141553440

約数和(自身を除く): 63425265

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 725, 1275, 1479, 2113, 2175, 2465, 6339, 7395, 10565, 12325, 31695, 35921, 36975, 52825, 61277, 107763, 158475, 179605, 183831, 306385, 538815, 898025, 919155, 1041709, 1531925, 2694075, 3125127, 4595775, 5208545, 15625635, 26042725, 78128175]

約数ペア:

[(1, 78128175), (3, 26042725), (5, 15625635), (15, 5208545), (17, 4595775), (25, 3125127), (29, 2694075), (51, 1531925), (75, 1041709), (85, 919155), (87, 898025), (145, 538815), (255, 306385), (425, 183831), (435, 179605), (493, 158475), (725, 107763), (1275, 61277), (1479, 52825), (2113, 36975), (2175, 35921), (2465, 31695), (6339, 12325), (7395, 10565)]