209040720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{124429}}^1$

素因数の和:124452

約数の個数: 80

約数和(自身を含む): 740607360

約数和(自身を除く): 531566640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 124429, 248858, 373287, 497716, 622145, 746574, 871003, 995432, 1244290, 1493148, 1742006, 1866435, 1990864, 2488580, 2613009, 2986296, 3484012, 3732870, 4355015, 4977160, 5226018, 5972592, 6968024, 7465740, 8710030, 9954320, 10452036, 13065045, 13936048, 14931480, 17420060, 20904072, 26130090, 29862960, 34840120, 41808144, 52260180, 69680240, 104520360, 209040720]

約数ペア:

[(1, 209040720), (2, 104520360), (3, 69680240), (4, 52260180), (5, 41808144), (6, 34840120), (7, 29862960), (8, 26130090), (10, 20904072), (12, 17420060), (14, 14931480), (15, 13936048), (16, 13065045), (20, 10452036), (21, 9954320), (24, 8710030), (28, 7465740), (30, 6968024), (35, 5972592), (40, 5226018), (42, 4977160), (48, 4355015), (56, 3732870), (60, 3484012), (70, 2986296), (80, 2613009), (84, 2488580), (105, 1990864), (112, 1866435), (120, 1742006), (140, 1493148), (168, 1244290), (210, 995432), (240, 871003), (280, 746574), (336, 622145), (420, 497716), (560, 373287), (840, 248858), (1680, 124429)]