13179880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 34295040

約数和(自身を除く): 21115160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 457, 515, 721, 824, 914, 1030, 1442, 1828, 2060, 2285, 2884, 3199, 3605, 3656, 4120, 4570, 5768, 6398, 7210, 9140, 12796, 14420, 15995, 18280, 25592, 28840, 31990, 47071, 63980, 94142, 127960, 188284, 235355, 329497, 376568, 470710, 658994, 941420, 1317988, 1647485, 1882840, 2635976, 3294970, 6589940, 13179880]

約数ペア:

[(1, 13179880), (2, 6589940), (4, 3294970), (5, 2635976), (7, 1882840), (8, 1647485), (10, 1317988), (14, 941420), (20, 658994), (28, 470710), (35, 376568), (40, 329497), (56, 235355), (70, 188284), (103, 127960), (140, 94142), (206, 63980), (280, 47071), (412, 31990), (457, 28840), (515, 25592), (721, 18280), (824, 15995), (914, 14420), (1030, 12796), (1442, 9140), (1828, 7210), (2060, 6398), (2285, 5768), (2884, 4570), (3199, 4120), (3605, 3656)]