7893080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 19625760

約数和(自身を除く): 11732680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 353, 430, 520, 559, 706, 860, 1118, 1412, 1720, 1765, 2236, 2795, 2824, 3530, 4472, 4589, 5590, 7060, 9178, 11180, 14120, 15179, 18356, 22360, 22945, 30358, 36712, 45890, 60716, 75895, 91780, 121432, 151790, 183560, 197327, 303580, 394654, 607160, 789308, 986635, 1578616, 1973270, 3946540, 7893080]

約数ペア:

[(1, 7893080), (2, 3946540), (4, 1973270), (5, 1578616), (8, 986635), (10, 789308), (13, 607160), (20, 394654), (26, 303580), (40, 197327), (43, 183560), (52, 151790), (65, 121432), (86, 91780), (104, 75895), (130, 60716), (172, 45890), (215, 36712), (260, 30358), (344, 22945), (353, 22360), (430, 18356), (520, 15179), (559, 14120), (706, 11180), (860, 9178), (1118, 7060), (1412, 5590), (1720, 4589), (1765, 4472), (2236, 3530), (2795, 2824)]