2649180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 7539840

約数和(自身を除く): 4890660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 659, 670, 804, 1005, 1318, 1340, 1977, 2010, 2636, 3295, 3954, 4020, 6590, 7908, 9885, 13180, 19770, 39540, 44153, 88306, 132459, 176612, 220765, 264918, 441530, 529836, 662295, 883060, 1324590, 2649180]

約数ペア:

[(1, 2649180), (2, 1324590), (3, 883060), (4, 662295), (5, 529836), (6, 441530), (10, 264918), (12, 220765), (15, 176612), (20, 132459), (30, 88306), (60, 44153), (67, 39540), (134, 19770), (201, 13180), (268, 9885), (335, 7908), (402, 6590), (659, 4020), (670, 3954), (804, 3295), (1005, 2636), (1318, 2010), (1340, 1977)]