13691720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 35614080

約数和(自身を除く): 21922360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 457, 535, 749, 856, 914, 1070, 1498, 1828, 2140, 2285, 2996, 3199, 3656, 3745, 4280, 4570, 5992, 6398, 7490, 9140, 12796, 14980, 15995, 18280, 25592, 29960, 31990, 48899, 63980, 97798, 127960, 195596, 244495, 342293, 391192, 488990, 684586, 977980, 1369172, 1711465, 1955960, 2738344, 3422930, 6845860, 13691720]

約数ペア:

[(1, 13691720), (2, 6845860), (4, 3422930), (5, 2738344), (7, 1955960), (8, 1711465), (10, 1369172), (14, 977980), (20, 684586), (28, 488990), (35, 391192), (40, 342293), (56, 244495), (70, 195596), (107, 127960), (140, 97798), (214, 63980), (280, 48899), (428, 31990), (457, 29960), (535, 25592), (749, 18280), (856, 15995), (914, 14980), (1070, 12796), (1498, 9140), (1828, 7490), (2140, 6398), (2285, 5992), (2996, 4570), (3199, 4280), (3656, 3745)]