8718080

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{139}}^1$

素因数の和:174

約数の個数: 108

約数和(自身を含む): 24466680

約数和(自身を除く): 15748600

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, 139, 140, 160, 196, 224, 245, 256, 278, 280, 320, 392, 448, 490, 556, 560, 640, 695, 784, 896, 973, 980, 1112, 1120, 1280, 1390, 1568, 1792, 1946, 1960, 2224, 2240, 2780, 3136, 3892, 3920, 4448, 4480, 4865, 5560, 6272, 6811, 7784, 7840, 8896, 8960, 9730, 11120, 12544, 13622, 15568, 15680, 17792, 19460, 22240, 27244, 31136, 31360, 34055, 35584, 38920, 44480, 54488, 62272, 62720, 68110, 77840, 88960, 108976, 124544, 136220, 155680, 177920, 217952, 249088, 272440, 311360, 435904, 544880, 622720, 871808, 1089760, 1245440, 1743616, 2179520, 4359040, 8718080]

約数ペア:

[(1, 8718080), (2, 4359040), (4, 2179520), (5, 1743616), (7, 1245440), (8, 1089760), (10, 871808), (14, 622720), (16, 544880), (20, 435904), (28, 311360), (32, 272440), (35, 249088), (40, 217952), (49, 177920), (56, 155680), (64, 136220), (70, 124544), (80, 108976), (98, 88960), (112, 77840), (128, 68110), (139, 62720), (140, 62272), (160, 54488), (196, 44480), (224, 38920), (245, 35584), (256, 34055), (278, 31360), (280, 31136), (320, 27244), (392, 22240), (448, 19460), (490, 17792), (556, 15680), (560, 15568), (640, 13622), (695, 12544), (784, 11120), (896, 9730), (973, 8960), (980, 8896), (1112, 7840), (1120, 7784), (1280, 6811), (1390, 6272), (1568, 5560), (1792, 4865), (1946, 4480), (1960, 4448), (2224, 3920), (2240, 3892), (2780, 3136)]