1280454825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 2362348800

約数和(自身を除く): 1081893975

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 71, 75, 159, 195, 213, 265, 325, 349, 355, 689, 795, 923, 975, 1047, 1065, 1325, 1745, 1775, 2067, 2769, 3445, 3763, 3975, 4537, 4615, 5235, 5325, 8725, 10335, 11289, 13611, 13845, 17225, 18497, 18815, 22685, 23075, 24779, 26175, 48919, 51675, 55491, 56445, 68055, 69225, 74337, 92485, 94075, 113425, 123895, 146757, 240461, 244595, 277455, 282225, 322127, 340275, 371685, 462425, 619475, 721383, 733785, 966381, 1202305, 1222975, 1313287, 1387275, 1610635, 1858425, 3606915, 3668925, 3939861, 4831905, 6011525, 6566435, 8053175, 17072731, 18034575, 19699305, 24159525, 32832175, 51218193, 85363655, 98496525, 256090965, 426818275, 1280454825]

約数ペア:

[(1, 1280454825), (3, 426818275), (5, 256090965), (13, 98496525), (15, 85363655), (25, 51218193), (39, 32832175), (53, 24159525), (65, 19699305), (71, 18034575), (75, 17072731), (159, 8053175), (195, 6566435), (213, 6011525), (265, 4831905), (325, 3939861), (349, 3668925), (355, 3606915), (689, 1858425), (795, 1610635), (923, 1387275), (975, 1313287), (1047, 1222975), (1065, 1202305), (1325, 966381), (1745, 733785), (1775, 721383), (2067, 619475), (2769, 462425), (3445, 371685), (3763, 340275), (3975, 322127), (4537, 282225), (4615, 277455), (5235, 244595), (5325, 240461), (8725, 146757), (10335, 123895), (11289, 113425), (13611, 94075), (13845, 92485), (17225, 74337), (18497, 69225), (18815, 68055), (22685, 56445), (23075, 55491), (24779, 51675), (26175, 48919)]