645270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 1569888

約数和(自身を除く): 924618

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 157, 274, 314, 411, 471, 685, 785, 822, 942, 1370, 1570, 2055, 2355, 4110, 4710, 21509, 43018, 64527, 107545, 129054, 215090, 322635, 645270]

約数ペア:

[(1, 645270), (2, 322635), (3, 215090), (5, 129054), (6, 107545), (10, 64527), (15, 43018), (30, 21509), (137, 4710), (157, 4110), (274, 2355), (314, 2055), (411, 1570), (471, 1370), (685, 942), (785, 822)]