90065920

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{359}}^1$

素因数の和:398

約数の個数: 132

約数和(自身を含む): 252026640

約数和(自身を除く): 161960720

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, 2240, 2513, 2560, 2872, 3136, 3584, 3590, 3920, 4480, 5026, 5120, 5744, 6272, 7168, 7180, 7840, 8960, 10052, 11488, 12544, 12565, 14360, 15680, 17591, 17920, 20104, 22976, 25088, 25130, 28720, 31360, 35182, 35840, 40208, 45952, 50176, 50260, 57440, 62720, 70364, 80416, 87955, 91904, 100520, 114880, 125440, 140728, 160832, 175910, 183808, 201040, 229760, 250880, 281456, 321664, 351820, 367616, 402080, 459520, 562912, 643328, 703640, 804160, 919040, 1125824, 1286656, 1407280, 1608320, 1838080, 2251648, 2573312, 2814560, 3216640, 4503296, 5629120, 6433280, 9006592, 11258240, 12866560, 18013184, 22516480, 45032960, 90065920]

約数ペア:

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