8882720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 26889408

約数和(自身を除く): 18006688

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 103, 110, 112, 140, 154, 160, 176, 196, 206, 220, 224, 245, 280, 308, 352, 385, 392, 412, 440, 490, 515, 539, 560, 616, 721, 770, 784, 824, 880, 980, 1030, 1078, 1120, 1133, 1232, 1442, 1540, 1568, 1648, 1760, 1960, 2060, 2156, 2266, 2464, 2695, 2884, 3080, 3296, 3605, 3920, 4120, 4312, 4532, 5047, 5390, 5665, 5768, 6160, 7210, 7840, 7931, 8240, 8624, 9064, 10094, 10780, 11330, 11536, 12320, 14420, 15862, 16480, 17248, 18128, 20188, 21560, 22660, 23072, 25235, 28840, 31724, 36256, 39655, 40376, 43120, 45320, 50470, 55517, 57680, 63448, 79310, 80752, 86240, 90640, 100940, 111034, 115360, 126896, 158620, 161504, 181280, 201880, 222068, 253792, 277585, 317240, 403760, 444136, 555170, 634480, 807520, 888272, 1110340, 1268960, 1776544, 2220680, 4441360, 8882720]

約数ペア:

[(1, 8882720), (2, 4441360), (4, 2220680), (5, 1776544), (7, 1268960), (8, 1110340), (10, 888272), (11, 807520), (14, 634480), (16, 555170), (20, 444136), (22, 403760), (28, 317240), (32, 277585), (35, 253792), (40, 222068), (44, 201880), (49, 181280), (55, 161504), (56, 158620), (70, 126896), (77, 115360), (80, 111034), (88, 100940), (98, 90640), (103, 86240), (110, 80752), (112, 79310), (140, 63448), (154, 57680), (160, 55517), (176, 50470), (196, 45320), (206, 43120), (220, 40376), (224, 39655), (245, 36256), (280, 31724), (308, 28840), (352, 25235), (385, 23072), (392, 22660), (412, 21560), (440, 20188), (490, 18128), (515, 17248), (539, 16480), (560, 15862), (616, 14420), (721, 12320), (770, 11536), (784, 11330), (824, 10780), (880, 10094), (980, 9064), (1030, 8624), (1078, 8240), (1120, 7931), (1133, 7840), (1232, 7210), (1442, 6160), (1540, 5768), (1568, 5665), (1648, 5390), (1760, 5047), (1960, 4532), (2060, 4312), (2156, 4120), (2266, 3920), (2464, 3605), (2695, 3296), (2884, 3080)]