1243542840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1291}}^1$

素因数の和:1677

約数の個数: 128

約数和(自身を含む): 3907008000

約数和(自身を除く): 2663465160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 349, 460, 552, 690, 698, 920, 1047, 1291, 1380, 1396, 1745, 2094, 2582, 2760, 2792, 3490, 3873, 4188, 5164, 5235, 6455, 6980, 7746, 8027, 8376, 10328, 10470, 12910, 13960, 15492, 16054, 19365, 20940, 24081, 25820, 29693, 30984, 32108, 38730, 40135, 41880, 48162, 51640, 59386, 64216, 77460, 80270, 89079, 96324, 118772, 120405, 148465, 154920, 160540, 178158, 192648, 237544, 240810, 296930, 321080, 356316, 445395, 450559, 481620, 593860, 712632, 890790, 901118, 963240, 1187720, 1351677, 1781580, 1802236, 2252795, 2703354, 3563160, 3604472, 4505590, 5406708, 6758385, 9011180, 10362857, 10813416, 13516770, 18022360, 20725714, 27033540, 31088571, 41451428, 51814285, 54067080, 62177142, 82902856, 103628570, 124354284, 155442855, 207257140, 248708568, 310885710, 414514280, 621771420, 1243542840]

約数ペア:

[(1, 1243542840), (2, 621771420), (3, 414514280), (4, 310885710), (5, 248708568), (6, 207257140), (8, 155442855), (10, 124354284), (12, 103628570), (15, 82902856), (20, 62177142), (23, 54067080), (24, 51814285), (30, 41451428), (40, 31088571), (46, 27033540), (60, 20725714), (69, 18022360), (92, 13516770), (115, 10813416), (120, 10362857), (138, 9011180), (184, 6758385), (230, 5406708), (276, 4505590), (345, 3604472), (349, 3563160), (460, 2703354), (552, 2252795), (690, 1802236), (698, 1781580), (920, 1351677), (1047, 1187720), (1291, 963240), (1380, 901118), (1396, 890790), (1745, 712632), (2094, 593860), (2582, 481620), (2760, 450559), (2792, 445395), (3490, 356316), (3873, 321080), (4188, 296930), (5164, 240810), (5235, 237544), (6455, 192648), (6980, 178158), (7746, 160540), (8027, 154920), (8376, 148465), (10328, 120405), (10470, 118772), (12910, 96324), (13960, 89079), (15492, 80270), (16054, 77460), (19365, 64216), (20940, 59386), (24081, 51640), (25820, 48162), (29693, 41880), (30984, 40135), (32108, 38730)]