206520720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{122929}}^1$

素因数の和:122952

約数の個数: 80

約数和(自身を含む): 731679360

約数和(自身を除く): 525158640

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, 122929, 245858, 368787, 491716, 614645, 737574, 860503, 983432, 1229290, 1475148, 1721006, 1843935, 1966864, 2458580, 2581509, 2950296, 3442012, 3687870, 4302515, 4917160, 5163018, 5900592, 6884024, 7375740, 8605030, 9834320, 10326036, 12907545, 13768048, 14751480, 17210060, 20652072, 25815090, 29502960, 34420120, 41304144, 51630180, 68840240, 103260360, 206520720]

約数ペア:

[(1, 206520720), (2, 103260360), (3, 68840240), (4, 51630180), (5, 41304144), (6, 34420120), (7, 29502960), (8, 25815090), (10, 20652072), (12, 17210060), (14, 14751480), (15, 13768048), (16, 12907545), (20, 10326036), (21, 9834320), (24, 8605030), (28, 7375740), (30, 6884024), (35, 5900592), (40, 5163018), (42, 4917160), (48, 4302515), (56, 3687870), (60, 3442012), (70, 2950296), (80, 2581509), (84, 2458580), (105, 1966864), (112, 1843935), (120, 1721006), (140, 1475148), (168, 1229290), (210, 983432), (240, 860503), (280, 737574), (336, 614645), (420, 491716), (560, 368787), (840, 245858), (1680, 122929)]