164555760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{685649}}^1$

素因数の和:685665

約数の個数: 40

約数和(自身を含む): 510123600

約数和(自身を除く): 345567840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 685649, 1371298, 2056947, 2742596, 3428245, 4113894, 5485192, 6856490, 8227788, 10284735, 10970384, 13712980, 16455576, 20569470, 27425960, 32911152, 41138940, 54851920, 82277880, 164555760]

約数ペア:

[(1, 164555760), (2, 82277880), (3, 54851920), (4, 41138940), (5, 32911152), (6, 27425960), (8, 20569470), (10, 16455576), (12, 13712980), (15, 10970384), (16, 10284735), (20, 8227788), (24, 6856490), (30, 5485192), (40, 4113894), (48, 3428245), (60, 2742596), (80, 2056947), (120, 1371298), (240, 685649)]