80172120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{95443}}^1$

素因数の和:95464

約数の個数: 64

約数和(自身を含む): 274878720

約数和(自身を除く): 194706600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 95443, 190886, 286329, 381772, 477215, 572658, 668101, 763544, 954430, 1145316, 1336202, 1431645, 1908860, 2004303, 2290632, 2672404, 2863290, 3340505, 3817720, 4008606, 5344808, 5726580, 6681010, 8017212, 10021515, 11453160, 13362020, 16034424, 20043030, 26724040, 40086060, 80172120]

約数ペア:

[(1, 80172120), (2, 40086060), (3, 26724040), (4, 20043030), (5, 16034424), (6, 13362020), (7, 11453160), (8, 10021515), (10, 8017212), (12, 6681010), (14, 5726580), (15, 5344808), (20, 4008606), (21, 3817720), (24, 3340505), (28, 2863290), (30, 2672404), (35, 2290632), (40, 2004303), (42, 1908860), (56, 1431645), (60, 1336202), (70, 1145316), (84, 954430), (105, 763544), (120, 668101), (140, 572658), (168, 477215), (210, 381772), (280, 286329), (420, 190886), (840, 95443)]