15840120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{132001}}^1$

素因数の和:132015

約数の個数: 32

約数和(自身を含む): 47520720

約数和(自身を除く): 31680600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 132001, 264002, 396003, 528004, 660005, 792006, 1056008, 1320010, 1584012, 1980015, 2640020, 3168024, 3960030, 5280040, 7920060, 15840120]

約数ペア:

[(1, 15840120), (2, 7920060), (3, 5280040), (4, 3960030), (5, 3168024), (6, 2640020), (8, 1980015), (10, 1584012), (12, 1320010), (15, 1056008), (20, 792006), (24, 660005), (30, 528004), (40, 396003), (60, 264002), (120, 132001)]