87344880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{51991}}^1$

素因数の和:52014

約数の個数: 80

約数和(自身を含む): 309456384

約数和(自身を除く): 222111504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 51991, 103982, 155973, 207964, 259955, 311946, 363937, 415928, 519910, 623892, 727874, 779865, 831856, 1039820, 1091811, 1247784, 1455748, 1559730, 1819685, 2079640, 2183622, 2495568, 2911496, 3119460, 3639370, 4159280, 4367244, 5459055, 5822992, 6238920, 7278740, 8734488, 10918110, 12477840, 14557480, 17468976, 21836220, 29114960, 43672440, 87344880]

約数ペア:

[(1, 87344880), (2, 43672440), (3, 29114960), (4, 21836220), (5, 17468976), (6, 14557480), (7, 12477840), (8, 10918110), (10, 8734488), (12, 7278740), (14, 6238920), (15, 5822992), (16, 5459055), (20, 4367244), (21, 4159280), (24, 3639370), (28, 3119460), (30, 2911496), (35, 2495568), (40, 2183622), (42, 2079640), (48, 1819685), (56, 1559730), (60, 1455748), (70, 1247784), (80, 1091811), (84, 1039820), (105, 831856), (112, 779865), (120, 727874), (140, 623892), (168, 519910), (210, 415928), (240, 363937), (280, 311946), (336, 259955), (420, 207964), (560, 155973), (840, 103982), (1680, 51991)]