155991480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5179}}^1$

素因数の和:5444

約数の個数: 64

約数和(自身を含む): 469929600

約数和(自身を除く): 313938120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 5020, 5179, 6024, 7530, 10040, 10358, 15060, 15537, 20716, 25895, 30120, 31074, 41432, 51790, 62148, 77685, 103580, 124296, 155370, 207160, 310740, 621480, 1299929, 2599858, 3899787, 5199716, 6499645, 7799574, 10399432, 12999290, 15599148, 19498935, 25998580, 31198296, 38997870, 51997160, 77995740, 155991480]

約数ペア:

[(1, 155991480), (2, 77995740), (3, 51997160), (4, 38997870), (5, 31198296), (6, 25998580), (8, 19498935), (10, 15599148), (12, 12999290), (15, 10399432), (20, 7799574), (24, 6499645), (30, 5199716), (40, 3899787), (60, 2599858), (120, 1299929), (251, 621480), (502, 310740), (753, 207160), (1004, 155370), (1255, 124296), (1506, 103580), (2008, 77685), (2510, 62148), (3012, 51790), (3765, 41432), (5020, 31074), (5179, 30120), (6024, 25895), (7530, 20716), (10040, 15537), (10358, 15060)]