69744640

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 196068600

約数和(自身を除く): 126323960

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, 512, 556, 560, 640, 695, 784, 896, 973, 980, 1024, 1112, 1120, 1280, 1390, 1568, 1792, 1946, 1960, 2048, 2224, 2240, 2560, 2780, 3136, 3584, 3892, 3920, 4448, 4480, 4865, 5120, 5560, 6272, 6811, 7168, 7784, 7840, 8896, 8960, 9730, 10240, 11120, 12544, 13622, 14336, 15568, 15680, 17792, 17920, 19460, 22240, 25088, 27244, 31136, 31360, 34055, 35584, 35840, 38920, 44480, 50176, 54488, 62272, 62720, 68110, 71168, 71680, 77840, 88960, 100352, 108976, 124544, 125440, 136220, 142336, 155680, 177920, 217952, 249088, 250880, 272440, 284672, 311360, 355840, 435904, 498176, 501760, 544880, 622720, 711680, 871808, 996352, 1089760, 1245440, 1423360, 1743616, 1992704, 2179520, 2490880, 3487232, 4359040, 4981760, 6974464, 8718080, 9963520, 13948928, 17436160, 34872320, 69744640]

約数ペア:

[(1, 69744640), (2, 34872320), (4, 17436160), (5, 13948928), (7, 9963520), (8, 8718080), (10, 6974464), (14, 4981760), (16, 4359040), (20, 3487232), (28, 2490880), (32, 2179520), (35, 1992704), (40, 1743616), (49, 1423360), (56, 1245440), (64, 1089760), (70, 996352), (80, 871808), (98, 711680), (112, 622720), (128, 544880), (139, 501760), (140, 498176), (160, 435904), (196, 355840), (224, 311360), (245, 284672), (256, 272440), (278, 250880), (280, 249088), (320, 217952), (392, 177920), (448, 155680), (490, 142336), (512, 136220), (556, 125440), (560, 124544), (640, 108976), (695, 100352), (784, 88960), (896, 77840), (973, 71680), (980, 71168), (1024, 68110), (1112, 62720), (1120, 62272), (1280, 54488), (1390, 50176), (1568, 44480), (1792, 38920), (1946, 35840), (1960, 35584), (2048, 34055), (2224, 31360), (2240, 31136), (2560, 27244), (2780, 25088), (3136, 22240), (3584, 19460), (3892, 17920), (3920, 17792), (4448, 15680), (4480, 15568), (4865, 14336), (5120, 13622), (5560, 12544), (6272, 11120), (6811, 10240), (7168, 9730), (7784, 8960), (7840, 8896)]