12987900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{14431}}^1$

素因数の和:14451

約数の個数: 54

約数和(自身を含む): 40712672

約数和(自身を除く): 27724772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 14431, 28862, 43293, 57724, 72155, 86586, 129879, 144310, 173172, 216465, 259758, 288620, 360775, 432930, 519516, 649395, 721550, 865860, 1082325, 1298790, 1443100, 2164650, 2597580, 3246975, 4329300, 6493950, 12987900]

約数ペア:

[(1, 12987900), (2, 6493950), (3, 4329300), (4, 3246975), (5, 2597580), (6, 2164650), (9, 1443100), (10, 1298790), (12, 1082325), (15, 865860), (18, 721550), (20, 649395), (25, 519516), (30, 432930), (36, 360775), (45, 288620), (50, 259758), (60, 216465), (75, 173172), (90, 144310), (100, 129879), (150, 86586), (180, 72155), (225, 57724), (300, 43293), (450, 28862), (900, 14431)]