11815740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{21881}}^1$

素因数の和:21899

約数の個数: 48

約数和(自身を含む): 36761760

約数和(自身を除く): 24946020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 21881, 43762, 65643, 87524, 109405, 131286, 196929, 218810, 262572, 328215, 393858, 437620, 590787, 656430, 787716, 984645, 1181574, 1312860, 1969290, 2363148, 2953935, 3938580, 5907870, 11815740]

約数ペア:

[(1, 11815740), (2, 5907870), (3, 3938580), (4, 2953935), (5, 2363148), (6, 1969290), (9, 1312860), (10, 1181574), (12, 984645), (15, 787716), (18, 656430), (20, 590787), (27, 437620), (30, 393858), (36, 328215), (45, 262572), (54, 218810), (60, 196929), (90, 131286), (108, 109405), (135, 87524), (180, 65643), (270, 43762), (540, 21881)]