1987171980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4363}}^1\times {\mathrm{7591}}^1$

素因数の和:11966

約数の個数: 48

約数和(自身を含む): 5566089984

約数和(自身を除く): 3578918004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4363, 7591, 8726, 13089, 15182, 17452, 21815, 22773, 26178, 30364, 37955, 43630, 45546, 52356, 65445, 75910, 87260, 91092, 113865, 130890, 151820, 227730, 261780, 455460, 33119533, 66239066, 99358599, 132478132, 165597665, 198717198, 331195330, 397434396, 496792995, 662390660, 993585990, 1987171980]

約数ペア:

[(1, 1987171980), (2, 993585990), (3, 662390660), (4, 496792995), (5, 397434396), (6, 331195330), (10, 198717198), (12, 165597665), (15, 132478132), (20, 99358599), (30, 66239066), (60, 33119533), (4363, 455460), (7591, 261780), (8726, 227730), (13089, 151820), (15182, 130890), (17452, 113865), (21815, 91092), (22773, 87260), (26178, 75910), (30364, 65445), (37955, 52356), (43630, 45546)]