15891680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2027}}^1$

素因数の和:2056

約数の個数: 72

約数和(自身を含む): 43695288

約数和(自身を除く): 27803608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2027, 3920, 4054, 7840, 8108, 10135, 14189, 16216, 20270, 28378, 32432, 40540, 56756, 64864, 70945, 81080, 99323, 113512, 141890, 162160, 198646, 227024, 283780, 324320, 397292, 454048, 496615, 567560, 794584, 993230, 1135120, 1589168, 1986460, 2270240, 3178336, 3972920, 7945840, 15891680]

約数ペア:

[(1, 15891680), (2, 7945840), (4, 3972920), (5, 3178336), (7, 2270240), (8, 1986460), (10, 1589168), (14, 1135120), (16, 993230), (20, 794584), (28, 567560), (32, 496615), (35, 454048), (40, 397292), (49, 324320), (56, 283780), (70, 227024), (80, 198646), (98, 162160), (112, 141890), (140, 113512), (160, 99323), (196, 81080), (224, 70945), (245, 64864), (280, 56756), (392, 40540), (490, 32432), (560, 28378), (784, 20270), (980, 16216), (1120, 14189), (1568, 10135), (1960, 8108), (2027, 7840), (3920, 4054)]