15480080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:397

約数の個数: 120

約数和(自身を含む): 45800640

約数和(自身を除く): 30320560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 359, 385, 392, 440, 490, 539, 560, 616, 718, 770, 784, 880, 980, 1078, 1232, 1436, 1540, 1795, 1960, 2156, 2513, 2695, 2872, 3080, 3590, 3920, 3949, 4312, 5026, 5390, 5744, 6160, 7180, 7898, 8624, 10052, 10780, 12565, 14360, 15796, 17591, 19745, 20104, 21560, 25130, 27643, 28720, 31592, 35182, 39490, 40208, 43120, 50260, 55286, 63184, 70364, 78980, 87955, 100520, 110572, 138215, 140728, 157960, 175910, 193501, 201040, 221144, 276430, 281456, 315920, 351820, 387002, 442288, 552860, 703640, 774004, 967505, 1105720, 1407280, 1548008, 1935010, 2211440, 3096016, 3870020, 7740040, 15480080]

約数ペア:

[(1, 15480080), (2, 7740040), (4, 3870020), (5, 3096016), (7, 2211440), (8, 1935010), (10, 1548008), (11, 1407280), (14, 1105720), (16, 967505), (20, 774004), (22, 703640), (28, 552860), (35, 442288), (40, 387002), (44, 351820), (49, 315920), (55, 281456), (56, 276430), (70, 221144), (77, 201040), (80, 193501), (88, 175910), (98, 157960), (110, 140728), (112, 138215), (140, 110572), (154, 100520), (176, 87955), (196, 78980), (220, 70364), (245, 63184), (280, 55286), (308, 50260), (359, 43120), (385, 40208), (392, 39490), (440, 35182), (490, 31592), (539, 28720), (560, 27643), (616, 25130), (718, 21560), (770, 20104), (784, 19745), (880, 17591), (980, 15796), (1078, 14360), (1232, 12565), (1436, 10780), (1540, 10052), (1795, 8624), (1960, 7898), (2156, 7180), (2513, 6160), (2695, 5744), (2872, 5390), (3080, 5026), (3590, 4312), (3920, 3949)]