85905680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{857}}^1$

素因数の和:1056

約数の個数: 80

約数和(自身を含む): 229806720

約数和(自身を除く): 143901040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 280, 358, 560, 716, 857, 895, 1253, 1432, 1714, 1790, 2506, 2864, 3428, 3580, 4285, 5012, 5999, 6265, 6856, 7160, 8570, 10024, 11998, 12530, 13712, 14320, 17140, 20048, 23996, 25060, 29995, 34280, 47992, 50120, 59990, 68560, 95984, 100240, 119980, 153403, 239960, 306806, 479920, 613612, 767015, 1073821, 1227224, 1534030, 2147642, 2454448, 3068060, 4295284, 5369105, 6136120, 8590568, 10738210, 12272240, 17181136, 21476420, 42952840, 85905680]

約数ペア:

[(1, 85905680), (2, 42952840), (4, 21476420), (5, 17181136), (7, 12272240), (8, 10738210), (10, 8590568), (14, 6136120), (16, 5369105), (20, 4295284), (28, 3068060), (35, 2454448), (40, 2147642), (56, 1534030), (70, 1227224), (80, 1073821), (112, 767015), (140, 613612), (179, 479920), (280, 306806), (358, 239960), (560, 153403), (716, 119980), (857, 100240), (895, 95984), (1253, 68560), (1432, 59990), (1714, 50120), (1790, 47992), (2506, 34280), (2864, 29995), (3428, 25060), (3580, 23996), (4285, 20048), (5012, 17140), (5999, 14320), (6265, 13712), (6856, 12530), (7160, 11998), (8570, 10024)]