180921455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3203}}^1$

素因数の和:3311

約数の個数: 32

約数和(自身を含む): 258370560

約数和(自身を除く): 77449105

約数列:

[1, 5, 11, 13, 55, 65, 79, 143, 395, 715, 869, 1027, 3203, 4345, 5135, 11297, 16015, 35233, 41639, 56485, 176165, 208195, 253037, 458029, 1265185, 2290145, 2783407, 3289481, 13917035, 16447405, 36184291, 180921455]

約数ペア:

[(1, 180921455), (5, 36184291), (11, 16447405), (13, 13917035), (55, 3289481), (65, 2783407), (79, 2290145), (143, 1265185), (395, 458029), (715, 253037), (869, 208195), (1027, 176165), (3203, 56485), (4345, 41639), (5135, 35233), (11297, 16015)]