15120540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{28001}}^1$

素因数の和:28019

約数の個数: 48

約数和(自身を含む): 47043360

約数和(自身を除く): 31922820

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, 28001, 56002, 84003, 112004, 140005, 168006, 252009, 280010, 336012, 420015, 504018, 560020, 756027, 840030, 1008036, 1260045, 1512054, 1680060, 2520090, 3024108, 3780135, 5040180, 7560270, 15120540]

約数ペア:

[(1, 15120540), (2, 7560270), (3, 5040180), (4, 3780135), (5, 3024108), (6, 2520090), (9, 1680060), (10, 1512054), (12, 1260045), (15, 1008036), (18, 840030), (20, 756027), (27, 560020), (30, 504018), (36, 420015), (45, 336012), (54, 280010), (60, 252009), (90, 168006), (108, 140005), (135, 112004), (180, 84003), (270, 56002), (540, 28001)]