90018880

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{5741}}^1$

素因数の和:5772

約数の個数: 84

約数和(自身を含む): 249398028

約数和(自身を除く): 159379148

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 5741, 7840, 11482, 15680, 22964, 28705, 40187, 45928, 57410, 80374, 91856, 114820, 160748, 183712, 200935, 229640, 281309, 321496, 367424, 401870, 459280, 562618, 642992, 803740, 918560, 1125236, 1285984, 1406545, 1607480, 1837120, 2250472, 2571968, 2813090, 3214960, 4500944, 5626180, 6429920, 9001888, 11252360, 12859840, 18003776, 22504720, 45009440, 90018880]

約数ペア:

[(1, 90018880), (2, 45009440), (4, 22504720), (5, 18003776), (7, 12859840), (8, 11252360), (10, 9001888), (14, 6429920), (16, 5626180), (20, 4500944), (28, 3214960), (32, 2813090), (35, 2571968), (40, 2250472), (49, 1837120), (56, 1607480), (64, 1406545), (70, 1285984), (80, 1125236), (98, 918560), (112, 803740), (140, 642992), (160, 562618), (196, 459280), (224, 401870), (245, 367424), (280, 321496), (320, 281309), (392, 229640), (448, 200935), (490, 183712), (560, 160748), (784, 114820), (980, 91856), (1120, 80374), (1568, 57410), (1960, 45928), (2240, 40187), (3136, 28705), (3920, 22964), (5741, 15680), (7840, 11482)]