30240480

素因数分解:

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

素因数の和:520

約数の個数: 72

約数和(自身を含む): 95638536

約数和(自身を除く): 65398056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 251, 480, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 4016, 5020, 6024, 7530, 8032, 10040, 12048, 15060, 20080, 24096, 30120, 40160, 60240, 63001, 120480, 126002, 189003, 252004, 315005, 378006, 504008, 630010, 756012, 945015, 1008016, 1260020, 1512024, 1890030, 2016032, 2520040, 3024048, 3780060, 5040080, 6048096, 7560120, 10080160, 15120240, 30240480]

約数ペア:

[(1, 30240480), (2, 15120240), (3, 10080160), (4, 7560120), (5, 6048096), (6, 5040080), (8, 3780060), (10, 3024048), (12, 2520040), (15, 2016032), (16, 1890030), (20, 1512024), (24, 1260020), (30, 1008016), (32, 945015), (40, 756012), (48, 630010), (60, 504008), (80, 378006), (96, 315005), (120, 252004), (160, 189003), (240, 126002), (251, 120480), (480, 63001), (502, 60240), (753, 40160), (1004, 30120), (1255, 24096), (1506, 20080), (2008, 15060), (2510, 12048), (3012, 10040), (3765, 8032), (4016, 7530), (5020, 6024)]