12972120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{15443}}^1$

素因数の和:15464

約数の個数: 64

約数和(自身を含む): 44478720

約数和(自身を除く): 31506600

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, 15443, 30886, 46329, 61772, 77215, 92658, 108101, 123544, 154430, 185316, 216202, 231645, 308860, 324303, 370632, 432404, 463290, 540505, 617720, 648606, 864808, 926580, 1081010, 1297212, 1621515, 1853160, 2162020, 2594424, 3243030, 4324040, 6486060, 12972120]

約数ペア:

[(1, 12972120), (2, 6486060), (3, 4324040), (4, 3243030), (5, 2594424), (6, 2162020), (7, 1853160), (8, 1621515), (10, 1297212), (12, 1081010), (14, 926580), (15, 864808), (20, 648606), (21, 617720), (24, 540505), (28, 463290), (30, 432404), (35, 370632), (40, 324303), (42, 308860), (56, 231645), (60, 216202), (70, 185316), (84, 154430), (105, 123544), (120, 108101), (140, 92658), (168, 77215), (210, 61772), (280, 46329), (420, 30886), (840, 15443)]