87851680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{78439}}^1$

素因数の和:78461

約数の個数: 48

約数和(自身を含む): 237202560

約数和(自身を除く): 149350880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 78439, 156878, 313756, 392195, 549073, 627512, 784390, 1098146, 1255024, 1568780, 2196292, 2510048, 2745365, 3137560, 4392584, 5490730, 6275120, 8785168, 10981460, 12550240, 17570336, 21962920, 43925840, 87851680]

約数ペア:

[(1, 87851680), (2, 43925840), (4, 21962920), (5, 17570336), (7, 12550240), (8, 10981460), (10, 8785168), (14, 6275120), (16, 5490730), (20, 4392584), (28, 3137560), (32, 2745365), (35, 2510048), (40, 2196292), (56, 1568780), (70, 1255024), (80, 1098146), (112, 784390), (140, 627512), (160, 549073), (224, 392195), (280, 313756), (560, 156878), (1120, 78439)]