7688440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 18480960

約数和(自身を除く): 10792520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 137, 184, 230, 244, 274, 305, 460, 488, 548, 610, 685, 920, 1096, 1220, 1370, 1403, 2440, 2740, 2806, 3151, 5480, 5612, 6302, 7015, 8357, 11224, 12604, 14030, 15755, 16714, 25208, 28060, 31510, 33428, 41785, 56120, 63020, 66856, 83570, 126040, 167140, 192211, 334280, 384422, 768844, 961055, 1537688, 1922110, 3844220, 7688440]

約数ペア:

[(1, 7688440), (2, 3844220), (4, 1922110), (5, 1537688), (8, 961055), (10, 768844), (20, 384422), (23, 334280), (40, 192211), (46, 167140), (61, 126040), (92, 83570), (115, 66856), (122, 63020), (137, 56120), (184, 41785), (230, 33428), (244, 31510), (274, 28060), (305, 25208), (460, 16714), (488, 15755), (548, 14030), (610, 12604), (685, 11224), (920, 8357), (1096, 7015), (1220, 6302), (1370, 5612), (1403, 5480), (2440, 3151), (2740, 2806)]