61584180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{20947}}^1$

素因数の和:20973

約数の個数: 72

約数和(自身を含む): 200598048

約数和(自身を除く): 139013868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 20947, 41894, 62841, 83788, 104735, 125682, 146629, 209470, 251364, 293258, 314205, 418940, 439887, 586516, 628410, 733145, 879774, 1026403, 1256820, 1466290, 1759548, 2052806, 2199435, 2932580, 3079209, 4105612, 4398870, 5132015, 6158418, 8797740, 10264030, 12316836, 15396045, 20528060, 30792090, 61584180]

約数ペア:

[(1, 61584180), (2, 30792090), (3, 20528060), (4, 15396045), (5, 12316836), (6, 10264030), (7, 8797740), (10, 6158418), (12, 5132015), (14, 4398870), (15, 4105612), (20, 3079209), (21, 2932580), (28, 2199435), (30, 2052806), (35, 1759548), (42, 1466290), (49, 1256820), (60, 1026403), (70, 879774), (84, 733145), (98, 628410), (105, 586516), (140, 439887), (147, 418940), (196, 314205), (210, 293258), (245, 251364), (294, 209470), (420, 146629), (490, 125682), (588, 104735), (735, 83788), (980, 62841), (1470, 41894), (2940, 20947)]