1285500120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{10712501}}^1$

素因数の和:10712515

約数の個数: 32

約数和(自身を含む): 3856500720

約数和(自身を除く): 2571000600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 10712501, 21425002, 32137503, 42850004, 53562505, 64275006, 85700008, 107125010, 128550012, 160687515, 214250020, 257100024, 321375030, 428500040, 642750060, 1285500120]

約数ペア:

[(1, 1285500120), (2, 642750060), (3, 428500040), (4, 321375030), (5, 257100024), (6, 214250020), (8, 160687515), (10, 128550012), (12, 107125010), (15, 85700008), (20, 64275006), (24, 53562505), (30, 42850004), (40, 32137503), (60, 21425002), (120, 10712501)]