128571520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2609}}^1$

素因数の和:2646

約数の個数: 128

約数和(自身を含む): 383356800

約数和(自身を除く): 254785280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 2609, 3080, 3520, 4480, 4928, 5218, 6160, 7040, 9856, 10436, 12320, 13045, 18263, 20872, 24640, 26090, 28699, 36526, 41744, 49280, 52180, 57398, 73052, 83488, 91315, 104360, 114796, 143495, 146104, 166976, 182630, 200893, 208720, 229592, 286990, 292208, 333952, 365260, 401786, 417440, 459184, 573980, 584416, 730520, 803572, 834880, 918368, 1004465, 1147960, 1168832, 1461040, 1607144, 1669760, 1836736, 2008930, 2295920, 2337664, 2922080, 3214288, 3673472, 4017860, 4591840, 5844160, 6428576, 8035720, 9183680, 11688320, 12857152, 16071440, 18367360, 25714304, 32142880, 64285760, 128571520]

約数ペア:

[(1, 128571520), (2, 64285760), (4, 32142880), (5, 25714304), (7, 18367360), (8, 16071440), (10, 12857152), (11, 11688320), (14, 9183680), (16, 8035720), (20, 6428576), (22, 5844160), (28, 4591840), (32, 4017860), (35, 3673472), (40, 3214288), (44, 2922080), (55, 2337664), (56, 2295920), (64, 2008930), (70, 1836736), (77, 1669760), (80, 1607144), (88, 1461040), (110, 1168832), (112, 1147960), (128, 1004465), (140, 918368), (154, 834880), (160, 803572), (176, 730520), (220, 584416), (224, 573980), (280, 459184), (308, 417440), (320, 401786), (352, 365260), (385, 333952), (440, 292208), (448, 286990), (560, 229592), (616, 208720), (640, 200893), (704, 182630), (770, 166976), (880, 146104), (896, 143495), (1120, 114796), (1232, 104360), (1408, 91315), (1540, 83488), (1760, 73052), (2240, 57398), (2464, 52180), (2609, 49280), (3080, 41744), (3520, 36526), (4480, 28699), (4928, 26090), (5218, 24640), (6160, 20872), (7040, 18263), (9856, 13045), (10436, 12320)]