245464140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4091069}}^1$

素因数の和:4091081

約数の個数: 24

約数和(自身を含む): 687299760

約数和(自身を除く): 441835620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4091069, 8182138, 12273207, 16364276, 20455345, 24546414, 40910690, 49092828, 61366035, 81821380, 122732070, 245464140]

約数ペア:

[(1, 245464140), (2, 122732070), (3, 81821380), (4, 61366035), (5, 49092828), (6, 40910690), (10, 24546414), (12, 20455345), (15, 16364276), (20, 12273207), (30, 8182138), (60, 4091069)]