15120240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^2$

素因数の和:518

約数の個数: 60

約数和(自身を含む): 47060232

約数和(自身を除く): 31939992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 4016, 5020, 6024, 7530, 10040, 12048, 15060, 20080, 30120, 60240, 63001, 126002, 189003, 252004, 315005, 378006, 504008, 630010, 756012, 945015, 1008016, 1260020, 1512024, 1890030, 2520040, 3024048, 3780060, 5040080, 7560120, 15120240]

約数ペア:

[(1, 15120240), (2, 7560120), (3, 5040080), (4, 3780060), (5, 3024048), (6, 2520040), (8, 1890030), (10, 1512024), (12, 1260020), (15, 1008016), (16, 945015), (20, 756012), (24, 630010), (30, 504008), (40, 378006), (48, 315005), (60, 252004), (80, 189003), (120, 126002), (240, 63001), (251, 60240), (502, 30120), (753, 20080), (1004, 15060), (1255, 12048), (1506, 10040), (2008, 7530), (2510, 6024), (3012, 5020), (3765, 4016)]