2158401280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{240893}}^1$

素因数の和:240921

約数の個数: 72

約数和(自身を含む): 5908648032

約数和(自身を除く): 3750246752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 240893, 481786, 963572, 1204465, 1686251, 1927144, 2408930, 3372502, 3854288, 4817860, 6745004, 7708576, 8431255, 9635720, 13490008, 15417152, 16862510, 19271440, 26980016, 30834304, 33725020, 38542880, 53960032, 61668608, 67450040, 77085760, 107920064, 134900080, 154171520, 215840128, 269800160, 308343040, 431680256, 539600320, 1079200640, 2158401280]

約数ペア:

[(1, 2158401280), (2, 1079200640), (4, 539600320), (5, 431680256), (7, 308343040), (8, 269800160), (10, 215840128), (14, 154171520), (16, 134900080), (20, 107920064), (28, 77085760), (32, 67450040), (35, 61668608), (40, 53960032), (56, 38542880), (64, 33725020), (70, 30834304), (80, 26980016), (112, 19271440), (128, 16862510), (140, 15417152), (160, 13490008), (224, 9635720), (256, 8431255), (280, 7708576), (320, 6745004), (448, 4817860), (560, 3854288), (640, 3372502), (896, 2408930), (1120, 1927144), (1280, 1686251), (1792, 1204465), (2240, 963572), (4480, 481786), (8960, 240893)]