81283920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338683}}^1$

素因数の和:338699

約数の個数: 40

約数和(自身を含む): 251980896

約数和(自身を除く): 170696976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338683, 677366, 1016049, 1354732, 1693415, 2032098, 2709464, 3386830, 4064196, 5080245, 5418928, 6773660, 8128392, 10160490, 13547320, 16256784, 20320980, 27094640, 40641960, 81283920]

約数ペア:

[(1, 81283920), (2, 40641960), (3, 27094640), (4, 20320980), (5, 16256784), (6, 13547320), (8, 10160490), (10, 8128392), (12, 6773660), (15, 5418928), (16, 5080245), (20, 4064196), (24, 3386830), (30, 2709464), (40, 2032098), (48, 1693415), (60, 1354732), (80, 1016049), (120, 677366), (240, 338683)]