12721290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6329}}^1$

素因数の和:6406

約数の個数: 32

約数和(自身を含む): 30991680

約数和(自身を除く): 18270390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 6329, 12658, 18987, 31645, 37974, 63290, 94935, 189870, 424043, 848086, 1272129, 2120215, 2544258, 4240430, 6360645, 12721290]

約数ペア:

[(1, 12721290), (2, 6360645), (3, 4240430), (5, 2544258), (6, 2120215), (10, 1272129), (15, 848086), (30, 424043), (67, 189870), (134, 94935), (201, 63290), (335, 37974), (402, 31645), (670, 18987), (1005, 12658), (2010, 6329)]