129777440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1522

約数の個数: 96

約数和(自身を含む): 338095296

約数和(自身を除く): 208317856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 344, 416, 430, 520, 559, 688, 860, 1040, 1118, 1376, 1451, 1720, 2080, 2236, 2795, 2902, 3440, 4472, 5590, 5804, 6880, 7255, 8944, 11180, 11608, 14510, 17888, 18863, 22360, 23216, 29020, 37726, 44720, 46432, 58040, 62393, 75452, 89440, 94315, 116080, 124786, 150904, 188630, 232160, 249572, 301808, 311965, 377260, 499144, 603616, 623930, 754520, 811109, 998288, 1247860, 1509040, 1622218, 1996576, 2495720, 3018080, 3244436, 4055545, 4991440, 6488872, 8111090, 9982880, 12977744, 16222180, 25955488, 32444360, 64888720, 129777440]

約数ペア:

[(1, 129777440), (2, 64888720), (4, 32444360), (5, 25955488), (8, 16222180), (10, 12977744), (13, 9982880), (16, 8111090), (20, 6488872), (26, 4991440), (32, 4055545), (40, 3244436), (43, 3018080), (52, 2495720), (65, 1996576), (80, 1622218), (86, 1509040), (104, 1247860), (130, 998288), (160, 811109), (172, 754520), (208, 623930), (215, 603616), (260, 499144), (344, 377260), (416, 311965), (430, 301808), (520, 249572), (559, 232160), (688, 188630), (860, 150904), (1040, 124786), (1118, 116080), (1376, 94315), (1451, 89440), (1720, 75452), (2080, 62393), (2236, 58040), (2795, 46432), (2902, 44720), (3440, 37726), (4472, 29020), (5590, 23216), (5804, 22360), (6880, 18863), (7255, 17888), (8944, 14510), (11180, 11608)]