15806820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{569}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 44432640

約数和(自身を除く): 28625820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 463, 569, 926, 1138, 1389, 1707, 1852, 2276, 2315, 2778, 2845, 3414, 4630, 5556, 5690, 6828, 6945, 8535, 9260, 11380, 13890, 17070, 27780, 34140, 263447, 526894, 790341, 1053788, 1317235, 1580682, 2634470, 3161364, 3951705, 5268940, 7903410, 15806820]

約数ペア:

[(1, 15806820), (2, 7903410), (3, 5268940), (4, 3951705), (5, 3161364), (6, 2634470), (10, 1580682), (12, 1317235), (15, 1053788), (20, 790341), (30, 526894), (60, 263447), (463, 34140), (569, 27780), (926, 17070), (1138, 13890), (1389, 11380), (1707, 9260), (1852, 8535), (2276, 6945), (2315, 6828), (2778, 5690), (2845, 5556), (3414, 4630)]