30806545

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 18959855

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 71, 77, 115, 161, 245, 253, 343, 355, 385, 497, 539, 781, 805, 1127, 1265, 1633, 1715, 1771, 2485, 2695, 3479, 3773, 3905, 5467, 5635, 7889, 8165, 8855, 11431, 12397, 17395, 17963, 18865, 24353, 27335, 38269, 39445, 57155, 61985, 80017, 86779, 89815, 121765, 125741, 191345, 267883, 400085, 433895, 560119, 628705, 880187, 1339415, 2800595, 4400935, 6161309, 30806545]

約数ペア:

[(1, 30806545), (5, 6161309), (7, 4400935), (11, 2800595), (23, 1339415), (35, 880187), (49, 628705), (55, 560119), (71, 433895), (77, 400085), (115, 267883), (161, 191345), (245, 125741), (253, 121765), (343, 89815), (355, 86779), (385, 80017), (497, 61985), (539, 57155), (781, 39445), (805, 38269), (1127, 27335), (1265, 24353), (1633, 18865), (1715, 17963), (1771, 17395), (2485, 12397), (2695, 11431), (3479, 8855), (3773, 8165), (3905, 7889), (5467, 5635)]