1278720048

素因数分解:

$2^4\times 3^1\times {\mathrm{26640001}}^1$

素因数の和:26640012

約数の個数: 20

約数和(自身を含む): 3303360248

約数和(自身を除く): 2024640200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 26640001, 53280002, 79920003, 106560004, 159840006, 213120008, 319680012, 426240016, 639360024, 1278720048]

約数ペア:

[(1, 1278720048), (2, 639360024), (3, 426240016), (4, 319680012), (6, 213120008), (8, 159840006), (12, 106560004), (16, 79920003), (24, 53280002), (48, 26640001)]