79899990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{2063}}^1$

素因数の和:3364

約数の個数: 32

約数和(自身を含む): 192001536

約数和(自身を除く): 112101546

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1291, 2063, 2582, 3873, 4126, 6189, 6455, 7746, 10315, 12378, 12910, 19365, 20630, 30945, 38730, 61890, 2663333, 5326666, 7989999, 13316665, 15979998, 26633330, 39949995, 79899990]

約数ペア:

[(1, 79899990), (2, 39949995), (3, 26633330), (5, 15979998), (6, 13316665), (10, 7989999), (15, 5326666), (30, 2663333), (1291, 61890), (2063, 38730), (2582, 30945), (3873, 20630), (4126, 19365), (6189, 12910), (6455, 12378), (7746, 10315)]