280476

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{53}}^1$

素因数の和:80

約数の個数: 72

約数和(自身を含む): 861840

約数和(自身を除く): 581364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 53, 54, 63, 84, 98, 106, 108, 126, 147, 159, 189, 196, 212, 252, 294, 318, 371, 378, 441, 477, 588, 636, 742, 756, 882, 954, 1113, 1323, 1431, 1484, 1764, 1908, 2226, 2597, 2646, 2862, 3339, 4452, 5194, 5292, 5724, 6678, 7791, 10017, 10388, 13356, 15582, 20034, 23373, 31164, 40068, 46746, 70119, 93492, 140238, 280476]

約数ペア:

[(1, 280476), (2, 140238), (3, 93492), (4, 70119), (6, 46746), (7, 40068), (9, 31164), (12, 23373), (14, 20034), (18, 15582), (21, 13356), (27, 10388), (28, 10017), (36, 7791), (42, 6678), (49, 5724), (53, 5292), (54, 5194), (63, 4452), (84, 3339), (98, 2862), (106, 2646), (108, 2597), (126, 2226), (147, 1908), (159, 1764), (189, 1484), (196, 1431), (212, 1323), (252, 1113), (294, 954), (318, 882), (371, 756), (378, 742), (441, 636), (477, 588)]