215729460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{399499}}^1$

素因数の和:399517

約数の個数: 48

約数和(自身を含む): 671160000

約数和(自身を除く): 455430540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 399499, 798998, 1198497, 1597996, 1997495, 2396994, 3595491, 3994990, 4793988, 5992485, 7190982, 7989980, 10786473, 11984970, 14381964, 17977455, 21572946, 23969940, 35954910, 43145892, 53932365, 71909820, 107864730, 215729460]

約数ペア:

[(1, 215729460), (2, 107864730), (3, 71909820), (4, 53932365), (5, 43145892), (6, 35954910), (9, 23969940), (10, 21572946), (12, 17977455), (15, 14381964), (18, 11984970), (20, 10786473), (27, 7989980), (30, 7190982), (36, 5992485), (45, 4793988), (54, 3994990), (60, 3595491), (90, 2396994), (108, 1997495), (135, 1597996), (180, 1198497), (270, 798998), (540, 399499)]