54180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1$

素因数の和:65

約数の個数: 72

約数和(自身を含む): 192192

約数和(自身を除く): 138012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3870, 4515, 5418, 6020, 7740, 9030, 10836, 13545, 18060, 27090, 54180]

約数ペア:

[(1, 54180), (2, 27090), (3, 18060), (4, 13545), (5, 10836), (6, 9030), (7, 7740), (9, 6020), (10, 5418), (12, 4515), (14, 3870), (15, 3612), (18, 3010), (20, 2709), (21, 2580), (28, 1935), (30, 1806), (35, 1548), (36, 1505), (42, 1290), (43, 1260), (45, 1204), (60, 903), (63, 860), (70, 774), (84, 645), (86, 630), (90, 602), (105, 516), (126, 430), (129, 420), (140, 387), (172, 315), (180, 301), (210, 258), (215, 252)]