641572160

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4567}}^1$

素因数の和:5023

約数の個数: 56

約数和(自身を含む): 1531559040

約数和(自身を除く): 889986880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 878, 1756, 2195, 3512, 4390, 4567, 7024, 8780, 9134, 14048, 17560, 18268, 22835, 28096, 35120, 36536, 45670, 70240, 73072, 91340, 140480, 146144, 182680, 292288, 365360, 730720, 1461440, 2004913, 4009826, 8019652, 10024565, 16039304, 20049130, 32078608, 40098260, 64157216, 80196520, 128314432, 160393040, 320786080, 641572160]

約数ペア:

[(1, 641572160), (2, 320786080), (4, 160393040), (5, 128314432), (8, 80196520), (10, 64157216), (16, 40098260), (20, 32078608), (32, 20049130), (40, 16039304), (64, 10024565), (80, 8019652), (160, 4009826), (320, 2004913), (439, 1461440), (878, 730720), (1756, 365360), (2195, 292288), (3512, 182680), (4390, 146144), (4567, 140480), (7024, 91340), (8780, 73072), (9134, 70240), (14048, 45670), (17560, 36536), (18268, 35120), (22835, 28096)]