8906240

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{71}}^1$

素因数の和:108

約数の個数: 120

約数和(自身を含む): 25190352

約数和(自身を除く): 16284112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 71, 80, 98, 112, 128, 140, 142, 160, 196, 224, 245, 256, 280, 284, 320, 355, 392, 448, 490, 497, 512, 560, 568, 640, 710, 784, 896, 980, 994, 1120, 1136, 1280, 1420, 1568, 1792, 1960, 1988, 2240, 2272, 2485, 2560, 2840, 3136, 3479, 3584, 3920, 3976, 4480, 4544, 4970, 5680, 6272, 6958, 7840, 7952, 8960, 9088, 9940, 11360, 12544, 13916, 15680, 15904, 17395, 17920, 18176, 19880, 22720, 25088, 27832, 31360, 31808, 34790, 36352, 39760, 45440, 55664, 62720, 63616, 69580, 79520, 90880, 111328, 125440, 127232, 139160, 159040, 181760, 222656, 254464, 278320, 318080, 445312, 556640, 636160, 890624, 1113280, 1272320, 1781248, 2226560, 4453120, 8906240]

約数ペア:

[(1, 8906240), (2, 4453120), (4, 2226560), (5, 1781248), (7, 1272320), (8, 1113280), (10, 890624), (14, 636160), (16, 556640), (20, 445312), (28, 318080), (32, 278320), (35, 254464), (40, 222656), (49, 181760), (56, 159040), (64, 139160), (70, 127232), (71, 125440), (80, 111328), (98, 90880), (112, 79520), (128, 69580), (140, 63616), (142, 62720), (160, 55664), (196, 45440), (224, 39760), (245, 36352), (256, 34790), (280, 31808), (284, 31360), (320, 27832), (355, 25088), (392, 22720), (448, 19880), (490, 18176), (497, 17920), (512, 17395), (560, 15904), (568, 15680), (640, 13916), (710, 12544), (784, 11360), (896, 9940), (980, 9088), (994, 8960), (1120, 7952), (1136, 7840), (1280, 6958), (1420, 6272), (1568, 5680), (1792, 4970), (1960, 4544), (1988, 4480), (2240, 3976), (2272, 3920), (2485, 3584), (2560, 3479), (2840, 3136)]