15249640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 24407960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 509, 535, 749, 856, 1018, 1070, 1498, 2036, 2140, 2545, 2996, 3563, 3745, 4072, 4280, 5090, 5992, 7126, 7490, 10180, 14252, 14980, 17815, 20360, 28504, 29960, 35630, 54463, 71260, 108926, 142520, 217852, 272315, 381241, 435704, 544630, 762482, 1089260, 1524964, 1906205, 2178520, 3049928, 3812410, 7624820, 15249640]

約数ペア:

[(1, 15249640), (2, 7624820), (4, 3812410), (5, 3049928), (7, 2178520), (8, 1906205), (10, 1524964), (14, 1089260), (20, 762482), (28, 544630), (35, 435704), (40, 381241), (56, 272315), (70, 217852), (107, 142520), (140, 108926), (214, 71260), (280, 54463), (428, 35630), (509, 29960), (535, 28504), (749, 20360), (856, 17815), (1018, 14980), (1070, 14252), (1498, 10180), (2036, 7490), (2140, 7126), (2545, 5992), (2996, 5090), (3563, 4280), (3745, 4072)]