15116255

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 23639040

約数和(自身を除く): 8522785

約数列:

[1, 5, 7, 11, 35, 49, 55, 71, 77, 79, 245, 355, 385, 395, 497, 539, 553, 781, 869, 2485, 2695, 2765, 3479, 3871, 3905, 4345, 5467, 5609, 6083, 17395, 19355, 27335, 28045, 30415, 38269, 39263, 42581, 61699, 191345, 196315, 212905, 274841, 308495, 431893, 1374205, 2159465, 3023251, 15116255]

約数ペア:

[(1, 15116255), (5, 3023251), (7, 2159465), (11, 1374205), (35, 431893), (49, 308495), (55, 274841), (71, 212905), (77, 196315), (79, 191345), (245, 61699), (355, 42581), (385, 39263), (395, 38269), (497, 30415), (539, 28045), (553, 27335), (781, 19355), (869, 17395), (2485, 6083), (2695, 5609), (2765, 5467), (3479, 4345), (3871, 3905)]