55338780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131759}}^1$

素因数の和:131778

約数の個数: 48

約数和(自身を含む): 177085440

約数和(自身を除く): 121746660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 131759, 263518, 395277, 527036, 658795, 790554, 922313, 1317590, 1581108, 1844626, 1976385, 2635180, 2766939, 3689252, 3952770, 4611565, 5533878, 7905540, 9223130, 11067756, 13834695, 18446260, 27669390, 55338780]

約数ペア:

[(1, 55338780), (2, 27669390), (3, 18446260), (4, 13834695), (5, 11067756), (6, 9223130), (7, 7905540), (10, 5533878), (12, 4611565), (14, 3952770), (15, 3689252), (20, 2766939), (21, 2635180), (28, 1976385), (30, 1844626), (35, 1581108), (42, 1317590), (60, 922313), (70, 790554), (84, 658795), (105, 527036), (140, 395277), (210, 263518), (420, 131759)]