128408250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 322118784

約数和(自身を除く): 193710534

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 313, 375, 547, 626, 750, 939, 1094, 1565, 1641, 1878, 2735, 3130, 3282, 4695, 5470, 7825, 8205, 9390, 13675, 15650, 16410, 23475, 27350, 39125, 41025, 46950, 68375, 78250, 82050, 117375, 136750, 171211, 205125, 234750, 342422, 410250, 513633, 856055, 1027266, 1712110, 2568165, 4280275, 5136330, 8560550, 12840825, 21401375, 25681650, 42802750, 64204125, 128408250]

約数ペア:

[(1, 128408250), (2, 64204125), (3, 42802750), (5, 25681650), (6, 21401375), (10, 12840825), (15, 8560550), (25, 5136330), (30, 4280275), (50, 2568165), (75, 1712110), (125, 1027266), (150, 856055), (250, 513633), (313, 410250), (375, 342422), (547, 234750), (626, 205125), (750, 171211), (939, 136750), (1094, 117375), (1565, 82050), (1641, 78250), (1878, 68375), (2735, 46950), (3130, 41025), (3282, 39125), (4695, 27350), (5470, 23475), (7825, 16410), (8205, 15650), (9390, 13675)]