77451480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{215143}}^1$

素因数の和:215160

約数の個数: 48

約数和(自身を含む): 251718480

約数和(自身を除く): 174267000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 215143, 430286, 645429, 860572, 1075715, 1290858, 1721144, 1936287, 2151430, 2581716, 3227145, 3872574, 4302860, 5163432, 6454290, 7745148, 8605720, 9681435, 12908580, 15490296, 19362870, 25817160, 38725740, 77451480]

約数ペア:

[(1, 77451480), (2, 38725740), (3, 25817160), (4, 19362870), (5, 15490296), (6, 12908580), (8, 9681435), (9, 8605720), (10, 7745148), (12, 6454290), (15, 5163432), (18, 4302860), (20, 3872574), (24, 3227145), (30, 2581716), (36, 2151430), (40, 1936287), (45, 1721144), (60, 1290858), (72, 1075715), (90, 860572), (120, 645429), (180, 430286), (360, 215143)]