128921370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1039

約数の個数: 64

約数和(自身を含む): 328924800

約数和(自身を除く): 200003430

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 449, 510, 563, 898, 1126, 1347, 1689, 2245, 2694, 2815, 3378, 4490, 5630, 6735, 7633, 8445, 9571, 13470, 15266, 16890, 19142, 22899, 28713, 38165, 45798, 47855, 57426, 76330, 95710, 114495, 143565, 228990, 252787, 287130, 505574, 758361, 1263935, 1516722, 2527870, 3791805, 4297379, 7583610, 8594758, 12892137, 21486895, 25784274, 42973790, 64460685, 128921370]

約数ペア:

[(1, 128921370), (2, 64460685), (3, 42973790), (5, 25784274), (6, 21486895), (10, 12892137), (15, 8594758), (17, 7583610), (30, 4297379), (34, 3791805), (51, 2527870), (85, 1516722), (102, 1263935), (170, 758361), (255, 505574), (449, 287130), (510, 252787), (563, 228990), (898, 143565), (1126, 114495), (1347, 95710), (1689, 76330), (2245, 57426), (2694, 47855), (2815, 45798), (3378, 38165), (4490, 28713), (5630, 22899), (6735, 19142), (7633, 16890), (8445, 15266), (9571, 13470)]