128530980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{714061}}^1$

素因数の和:714076

約数の個数: 36

約数和(自身を含む): 389877852

約数和(自身を除く): 261346872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 714061, 1428122, 2142183, 2856244, 3570305, 4284366, 6426549, 7140610, 8568732, 10710915, 12853098, 14281220, 21421830, 25706196, 32132745, 42843660, 64265490, 128530980]

約数ペア:

[(1, 128530980), (2, 64265490), (3, 42843660), (4, 32132745), (5, 25706196), (6, 21421830), (9, 14281220), (10, 12853098), (12, 10710915), (15, 8568732), (18, 7140610), (20, 6426549), (30, 4284366), (36, 3570305), (45, 2856244), (60, 2142183), (90, 1428122), (180, 714061)]