15239620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1307}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 35598528

約数和(自身を除く): 20358908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1307, 2332, 2614, 2915, 5228, 5830, 6535, 11660, 13070, 14377, 26140, 28754, 57508, 69271, 71885, 138542, 143770, 277084, 287540, 346355, 692710, 761981, 1385420, 1523962, 3047924, 3809905, 7619810, 15239620]

約数ペア:

[(1, 15239620), (2, 7619810), (4, 3809905), (5, 3047924), (10, 1523962), (11, 1385420), (20, 761981), (22, 692710), (44, 346355), (53, 287540), (55, 277084), (106, 143770), (110, 138542), (212, 71885), (220, 69271), (265, 57508), (530, 28754), (583, 26140), (1060, 14377), (1166, 13070), (1307, 11660), (2332, 6535), (2614, 5830), (2915, 5228)]