80490225

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 143740800

約数和(自身を除く): 63250575

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 145, 345, 435, 575, 667, 725, 1609, 1725, 2001, 2175, 3335, 4827, 8045, 10005, 16675, 24135, 37007, 40225, 46661, 50025, 111021, 120675, 139983, 185035, 233305, 555105, 699915, 925175, 1073203, 1166525, 2775525, 3219609, 3499575, 5366015, 16098045, 26830075, 80490225]

約数ペア:

[(1, 80490225), (3, 26830075), (5, 16098045), (15, 5366015), (23, 3499575), (25, 3219609), (29, 2775525), (69, 1166525), (75, 1073203), (87, 925175), (115, 699915), (145, 555105), (345, 233305), (435, 185035), (575, 139983), (667, 120675), (725, 111021), (1609, 50025), (1725, 46661), (2001, 40225), (2175, 37007), (3335, 24135), (4827, 16675), (8045, 10005)]