77304760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{148663}}^1$

素因数の和:148687

約数の個数: 32

約数和(自身を含む): 187316640

約数和(自身を除く): 110011880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 148663, 297326, 594652, 743315, 1189304, 1486630, 1932619, 2973260, 3865238, 5946520, 7730476, 9663095, 15460952, 19326190, 38652380, 77304760]

約数ペア:

[(1, 77304760), (2, 38652380), (4, 19326190), (5, 15460952), (8, 9663095), (10, 7730476), (13, 5946520), (20, 3865238), (26, 2973260), (40, 1932619), (52, 1486630), (65, 1189304), (104, 743315), (130, 594652), (260, 297326), (520, 148663)]