128548480

素因数分解:

$2^7\times 5^1\times {\mathrm{353}}^1\times {\mathrm{569}}^1$

素因数の和:941

約数の個数: 64

約数和(自身を含む): 308723400

約数和(自身を除く): 180174920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 353, 569, 640, 706, 1138, 1412, 1765, 2276, 2824, 2845, 3530, 4552, 5648, 5690, 7060, 9104, 11296, 11380, 14120, 18208, 22592, 22760, 28240, 36416, 45184, 45520, 56480, 72832, 91040, 112960, 182080, 200857, 225920, 364160, 401714, 803428, 1004285, 1606856, 2008570, 3213712, 4017140, 6427424, 8034280, 12854848, 16068560, 25709696, 32137120, 64274240, 128548480]

約数ペア:

[(1, 128548480), (2, 64274240), (4, 32137120), (5, 25709696), (8, 16068560), (10, 12854848), (16, 8034280), (20, 6427424), (32, 4017140), (40, 3213712), (64, 2008570), (80, 1606856), (128, 1004285), (160, 803428), (320, 401714), (353, 364160), (569, 225920), (640, 200857), (706, 182080), (1138, 112960), (1412, 91040), (1765, 72832), (2276, 56480), (2824, 45520), (2845, 45184), (3530, 36416), (4552, 28240), (5648, 22760), (5690, 22592), (7060, 18208), (9104, 14120), (11296, 11380)]