28085580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{463}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 85630272

約数和(自身を除く): 57544692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 463, 674, 926, 1011, 1348, 1389, 1685, 1852, 2022, 2315, 2778, 3033, 3370, 4044, 4167, 4630, 5055, 5556, 6066, 6740, 6945, 8334, 9260, 10110, 12132, 13890, 15165, 16668, 20220, 20835, 27780, 30330, 41670, 60660, 83340, 156031, 312062, 468093, 624124, 780155, 936186, 1404279, 1560310, 1872372, 2340465, 2808558, 3120620, 4680930, 5617116, 7021395, 9361860, 14042790, 28085580]

約数ペア:

[(1, 28085580), (2, 14042790), (3, 9361860), (4, 7021395), (5, 5617116), (6, 4680930), (9, 3120620), (10, 2808558), (12, 2340465), (15, 1872372), (18, 1560310), (20, 1404279), (30, 936186), (36, 780155), (45, 624124), (60, 468093), (90, 312062), (180, 156031), (337, 83340), (463, 60660), (674, 41670), (926, 30330), (1011, 27780), (1348, 20835), (1389, 20220), (1685, 16668), (1852, 15165), (2022, 13890), (2315, 12132), (2778, 10110), (3033, 9260), (3370, 8334), (4044, 6945), (4167, 6740), (4630, 6066), (5055, 5556)]