660217840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113051}}^1$

素因数の和:113137

約数の個数: 40

約数和(自身を含む): 1556047728

約数和(自身を除く): 895829888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 113051, 226102, 452204, 565255, 904408, 1130510, 1808816, 2261020, 4522040, 8252723, 9044080, 16505446, 33010892, 41263615, 66021784, 82527230, 132043568, 165054460, 330108920, 660217840]

約数ペア:

[(1, 660217840), (2, 330108920), (4, 165054460), (5, 132043568), (8, 82527230), (10, 66021784), (16, 41263615), (20, 33010892), (40, 16505446), (73, 9044080), (80, 8252723), (146, 4522040), (292, 2261020), (365, 1808816), (584, 1130510), (730, 904408), (1168, 565255), (1460, 452204), (2920, 226102), (5840, 113051)]