12686820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{599}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 35683200

約数和(自身を除く): 22996380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 599, 706, 1059, 1198, 1412, 1765, 1797, 2118, 2396, 2995, 3530, 3594, 4236, 5295, 5990, 7060, 7188, 8985, 10590, 11980, 17970, 21180, 35940, 211447, 422894, 634341, 845788, 1057235, 1268682, 2114470, 2537364, 3171705, 4228940, 6343410, 12686820]

約数ペア:

[(1, 12686820), (2, 6343410), (3, 4228940), (4, 3171705), (5, 2537364), (6, 2114470), (10, 1268682), (12, 1057235), (15, 845788), (20, 634341), (30, 422894), (60, 211447), (353, 35940), (599, 21180), (706, 17970), (1059, 11980), (1198, 10590), (1412, 8985), (1765, 7188), (1797, 7060), (2118, 5990), (2396, 5295), (2995, 4236), (3530, 3594)]