12916980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71761}}^1$

素因数の和:71776

約数の個数: 36

約数和(自身を含む): 39182052

約数和(自身を除く): 26265072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71761, 143522, 215283, 287044, 358805, 430566, 645849, 717610, 861132, 1076415, 1291698, 1435220, 2152830, 2583396, 3229245, 4305660, 6458490, 12916980]

約数ペア:

[(1, 12916980), (2, 6458490), (3, 4305660), (4, 3229245), (5, 2583396), (6, 2152830), (9, 1435220), (10, 1291698), (12, 1076415), (15, 861132), (18, 717610), (20, 645849), (30, 430566), (36, 358805), (45, 287044), (60, 215283), (90, 143522), (180, 71761)]