12931260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{215521}}^1$

素因数の和:215533

約数の個数: 24

約数和(自身を含む): 36207696

約数和(自身を除く): 23276436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 215521, 431042, 646563, 862084, 1077605, 1293126, 2155210, 2586252, 3232815, 4310420, 6465630, 12931260]

約数ペア:

[(1, 12931260), (2, 6465630), (3, 4310420), (4, 3232815), (5, 2586252), (6, 2155210), (10, 1293126), (12, 1077605), (15, 862084), (20, 646563), (30, 431042), (60, 215521)]