815262165

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2088

約数の個数: 80

約数和(自身を含む): 1568160000

約数和(自身を除く): 752897835

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 53, 57, 81, 95, 135, 159, 171, 265, 285, 405, 477, 513, 795, 855, 1007, 1431, 1539, 1999, 2385, 2565, 3021, 4293, 5035, 5997, 7155, 7695, 9063, 9995, 15105, 17991, 21465, 27189, 29985, 37981, 45315, 53973, 81567, 89955, 105947, 113943, 135945, 161919, 189905, 269865, 317841, 341829, 407835, 529735, 569715, 809595, 953523, 1025487, 1589205, 1709145, 2012993, 2860569, 3076461, 4767615, 5127435, 6038979, 8581707, 10064965, 14302845, 15382305, 18116937, 30194895, 42908535, 54350811, 90584685, 163052433, 271754055, 815262165]

約数ペア:

[(1, 815262165), (3, 271754055), (5, 163052433), (9, 90584685), (15, 54350811), (19, 42908535), (27, 30194895), (45, 18116937), (53, 15382305), (57, 14302845), (81, 10064965), (95, 8581707), (135, 6038979), (159, 5127435), (171, 4767615), (265, 3076461), (285, 2860569), (405, 2012993), (477, 1709145), (513, 1589205), (795, 1025487), (855, 953523), (1007, 809595), (1431, 569715), (1539, 529735), (1999, 407835), (2385, 341829), (2565, 317841), (3021, 269865), (4293, 189905), (5035, 161919), (5997, 135945), (7155, 113943), (7695, 105947), (9063, 89955), (9995, 81567), (15105, 53973), (17991, 45315), (21465, 37981), (27189, 29985)]