12921660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23929}}^1$

素因数の和:23947

約数の個数: 48

約数和(自身を含む): 40202400

約数和(自身を除く): 27280740

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, 23929, 47858, 71787, 95716, 119645, 143574, 215361, 239290, 287148, 358935, 430722, 478580, 646083, 717870, 861444, 1076805, 1292166, 1435740, 2153610, 2584332, 3230415, 4307220, 6460830, 12921660]

約数ペア:

[(1, 12921660), (2, 6460830), (3, 4307220), (4, 3230415), (5, 2584332), (6, 2153610), (9, 1435740), (10, 1292166), (12, 1076805), (15, 861444), (18, 717870), (20, 646083), (27, 478580), (30, 430722), (36, 358935), (45, 287148), (54, 239290), (60, 215361), (90, 143574), (108, 119645), (135, 95716), (180, 71787), (270, 47858), (540, 23929)]