320077785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43283}}^1$

素因数の和:43337

約数の個数: 32

約数和(自身を含む): 560960640

約数和(自身を除く): 240882855

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 43283, 129849, 216415, 649245, 735811, 1255207, 2207433, 3679055, 3765621, 6276035, 11037165, 18828105, 21338519, 64015557, 106692595, 320077785]

約数ペア:

[(1, 320077785), (3, 106692595), (5, 64015557), (15, 21338519), (17, 18828105), (29, 11037165), (51, 6276035), (85, 3765621), (87, 3679055), (145, 2207433), (255, 1255207), (435, 735811), (493, 649245), (1479, 216415), (2465, 129849), (7395, 43283)]