1431040

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 80

約数和(自身を含む): 3781008

約数和(自身を除く): 2349968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 208, 215, 256, 260, 320, 344, 416, 430, 512, 520, 559, 640, 688, 832, 860, 1040, 1118, 1280, 1376, 1664, 1720, 2080, 2236, 2560, 2752, 2795, 3328, 3440, 4160, 4472, 5504, 5590, 6656, 6880, 8320, 8944, 11008, 11180, 13760, 16640, 17888, 22016, 22360, 27520, 33280, 35776, 44720, 55040, 71552, 89440, 110080, 143104, 178880, 286208, 357760, 715520, 1431040]

約数ペア:

[(1, 1431040), (2, 715520), (4, 357760), (5, 286208), (8, 178880), (10, 143104), (13, 110080), (16, 89440), (20, 71552), (26, 55040), (32, 44720), (40, 35776), (43, 33280), (52, 27520), (64, 22360), (65, 22016), (80, 17888), (86, 16640), (104, 13760), (128, 11180), (130, 11008), (160, 8944), (172, 8320), (208, 6880), (215, 6656), (256, 5590), (260, 5504), (320, 4472), (344, 4160), (416, 3440), (430, 3328), (512, 2795), (520, 2752), (559, 2560), (640, 2236), (688, 2080), (832, 1720), (860, 1664), (1040, 1376), (1118, 1280)]