154485840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643691}}^1$

素因数の和:643707

約数の個数: 40

約数和(自身を含む): 478906848

約数和(自身を除く): 324421008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643691, 1287382, 1931073, 2574764, 3218455, 3862146, 5149528, 6436910, 7724292, 9655365, 10299056, 12873820, 15448584, 19310730, 25747640, 30897168, 38621460, 51495280, 77242920, 154485840]

約数ペア:

[(1, 154485840), (2, 77242920), (3, 51495280), (4, 38621460), (5, 30897168), (6, 25747640), (8, 19310730), (10, 15448584), (12, 12873820), (15, 10299056), (16, 9655365), (20, 7724292), (24, 6436910), (30, 5149528), (40, 3862146), (48, 3218455), (60, 2574764), (80, 1931073), (120, 1287382), (240, 643691)]