80643080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1609}}^1$

素因数の和:1806

約数の個数: 64

約数和(自身を含む): 208656000

約数和(自身を除く): 128012920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1432, 1609, 1790, 2506, 3218, 3580, 5012, 6265, 6436, 7160, 8045, 10024, 11263, 12530, 12872, 16090, 22526, 25060, 32180, 45052, 50120, 56315, 64360, 90104, 112630, 225260, 288011, 450520, 576022, 1152044, 1440055, 2016077, 2304088, 2880110, 4032154, 5760220, 8064308, 10080385, 11520440, 16128616, 20160770, 40321540, 80643080]

約数ペア:

[(1, 80643080), (2, 40321540), (4, 20160770), (5, 16128616), (7, 11520440), (8, 10080385), (10, 8064308), (14, 5760220), (20, 4032154), (28, 2880110), (35, 2304088), (40, 2016077), (56, 1440055), (70, 1152044), (140, 576022), (179, 450520), (280, 288011), (358, 225260), (716, 112630), (895, 90104), (1253, 64360), (1432, 56315), (1609, 50120), (1790, 45052), (2506, 32180), (3218, 25060), (3580, 22526), (5012, 16090), (6265, 12872), (6436, 12530), (7160, 11263), (8045, 10024)]