180428105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{911}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 255564288

約数和(自身を除く): 75136183

約数列:

[1, 5, 11, 13, 55, 65, 143, 277, 715, 911, 1385, 3047, 3601, 4555, 10021, 11843, 15235, 18005, 39611, 50105, 59215, 130273, 198055, 252347, 651365, 1261735, 2775817, 3280511, 13879085, 16402555, 36085621, 180428105]

約数ペア:

[(1, 180428105), (5, 36085621), (11, 16402555), (13, 13879085), (55, 3280511), (65, 2775817), (143, 1261735), (277, 651365), (715, 252347), (911, 198055), (1385, 130273), (3047, 59215), (3601, 50105), (4555, 39611), (10021, 18005), (11843, 15235)]