180131840

素因数分解:

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

素因数の和:400

約数の個数: 144

約数和(自身を含む): 504176400

約数和(自身を除く): 324044560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 359, 392, 448, 490, 512, 560, 640, 718, 784, 896, 980, 1024, 1120, 1280, 1436, 1568, 1792, 1795, 1960, 2048, 2240, 2513, 2560, 2872, 3136, 3584, 3590, 3920, 4480, 5026, 5120, 5744, 6272, 7168, 7180, 7840, 8960, 10052, 10240, 11488, 12544, 12565, 14336, 14360, 15680, 17591, 17920, 20104, 22976, 25088, 25130, 28720, 31360, 35182, 35840, 40208, 45952, 50176, 50260, 57440, 62720, 70364, 71680, 80416, 87955, 91904, 100352, 100520, 114880, 125440, 140728, 160832, 175910, 183808, 201040, 229760, 250880, 281456, 321664, 351820, 367616, 402080, 459520, 501760, 562912, 643328, 703640, 735232, 804160, 919040, 1125824, 1286656, 1407280, 1608320, 1838080, 2251648, 2573312, 2814560, 3216640, 3676160, 4503296, 5146624, 5629120, 6433280, 9006592, 11258240, 12866560, 18013184, 22516480, 25733120, 36026368, 45032960, 90065920, 180131840]

約数ペア:

[(1, 180131840), (2, 90065920), (4, 45032960), (5, 36026368), (7, 25733120), (8, 22516480), (10, 18013184), (14, 12866560), (16, 11258240), (20, 9006592), (28, 6433280), (32, 5629120), (35, 5146624), (40, 4503296), (49, 3676160), (56, 3216640), (64, 2814560), (70, 2573312), (80, 2251648), (98, 1838080), (112, 1608320), (128, 1407280), (140, 1286656), (160, 1125824), (196, 919040), (224, 804160), (245, 735232), (256, 703640), (280, 643328), (320, 562912), (359, 501760), (392, 459520), (448, 402080), (490, 367616), (512, 351820), (560, 321664), (640, 281456), (718, 250880), (784, 229760), (896, 201040), (980, 183808), (1024, 175910), (1120, 160832), (1280, 140728), (1436, 125440), (1568, 114880), (1792, 100520), (1795, 100352), (1960, 91904), (2048, 87955), (2240, 80416), (2513, 71680), (2560, 70364), (2872, 62720), (3136, 57440), (3584, 50260), (3590, 50176), (3920, 45952), (4480, 40208), (5026, 35840), (5120, 35182), (5744, 31360), (6272, 28720), (7168, 25130), (7180, 25088), (7840, 22976), (8960, 20104), (10052, 17920), (10240, 17591), (11488, 15680), (12544, 14360), (12565, 14336)]