128355960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28909}}^1$

素因数の和:28960

約数の個数: 64

約数和(自身を含む): 395488800

約数和(自身を除く): 267132840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 28909, 57818, 86727, 115636, 144545, 173454, 231272, 289090, 346908, 433635, 578180, 693816, 867270, 1069633, 1156360, 1734540, 2139266, 3208899, 3469080, 4278532, 5348165, 6417798, 8557064, 10696330, 12835596, 16044495, 21392660, 25671192, 32088990, 42785320, 64177980, 128355960]

約数ペア:

[(1, 128355960), (2, 64177980), (3, 42785320), (4, 32088990), (5, 25671192), (6, 21392660), (8, 16044495), (10, 12835596), (12, 10696330), (15, 8557064), (20, 6417798), (24, 5348165), (30, 4278532), (37, 3469080), (40, 3208899), (60, 2139266), (74, 1734540), (111, 1156360), (120, 1069633), (148, 867270), (185, 693816), (222, 578180), (296, 433635), (370, 346908), (444, 289090), (555, 231272), (740, 173454), (888, 144545), (1110, 115636), (1480, 86727), (2220, 57818), (4440, 28909)]