61920320

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:401

約数の個数: 168

約数和(自身を含む): 187634880

約数和(自身を除く): 125714560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 359, 385, 392, 440, 448, 490, 539, 560, 616, 704, 718, 770, 784, 880, 980, 1078, 1120, 1232, 1436, 1540, 1568, 1760, 1795, 1960, 2156, 2240, 2464, 2513, 2695, 2872, 3080, 3136, 3520, 3590, 3920, 3949, 4312, 4928, 5026, 5390, 5744, 6160, 7180, 7840, 7898, 8624, 10052, 10780, 11488, 12320, 12565, 14360, 15680, 15796, 17248, 17591, 19745, 20104, 21560, 22976, 24640, 25130, 27643, 28720, 31592, 34496, 35182, 39490, 40208, 43120, 50260, 55286, 57440, 63184, 70364, 78980, 80416, 86240, 87955, 100520, 110572, 114880, 126368, 138215, 140728, 157960, 160832, 172480, 175910, 193501, 201040, 221144, 252736, 276430, 281456, 315920, 351820, 387002, 402080, 442288, 552860, 562912, 631840, 703640, 774004, 804160, 884576, 967505, 1105720, 1125824, 1263680, 1407280, 1548008, 1769152, 1935010, 2211440, 2814560, 3096016, 3870020, 4422880, 5629120, 6192032, 7740040, 8845760, 12384064, 15480080, 30960160, 61920320]

約数ペア:

[(1, 61920320), (2, 30960160), (4, 15480080), (5, 12384064), (7, 8845760), (8, 7740040), (10, 6192032), (11, 5629120), (14, 4422880), (16, 3870020), (20, 3096016), (22, 2814560), (28, 2211440), (32, 1935010), (35, 1769152), (40, 1548008), (44, 1407280), (49, 1263680), (55, 1125824), (56, 1105720), (64, 967505), (70, 884576), (77, 804160), (80, 774004), (88, 703640), (98, 631840), (110, 562912), (112, 552860), (140, 442288), (154, 402080), (160, 387002), (176, 351820), (196, 315920), (220, 281456), (224, 276430), (245, 252736), (280, 221144), (308, 201040), (320, 193501), (352, 175910), (359, 172480), (385, 160832), (392, 157960), (440, 140728), (448, 138215), (490, 126368), (539, 114880), (560, 110572), (616, 100520), (704, 87955), (718, 86240), (770, 80416), (784, 78980), (880, 70364), (980, 63184), (1078, 57440), (1120, 55286), (1232, 50260), (1436, 43120), (1540, 40208), (1568, 39490), (1760, 35182), (1795, 34496), (1960, 31592), (2156, 28720), (2240, 27643), (2464, 25130), (2513, 24640), (2695, 22976), (2872, 21560), (3080, 20104), (3136, 19745), (3520, 17591), (3590, 17248), (3920, 15796), (3949, 15680), (4312, 14360), (4928, 12565), (5026, 12320), (5390, 11488), (5744, 10780), (6160, 10052), (7180, 8624), (7840, 7898)]