15775920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{21911}}^1$

素因数の和:21930

約数の個数: 60

約数和(自身を含む): 52983216

約数和(自身を除く): 37207296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 21911, 43822, 65733, 87644, 109555, 131466, 175288, 197199, 219110, 262932, 328665, 350576, 394398, 438220, 525864, 657330, 788796, 876440, 985995, 1051728, 1314660, 1577592, 1752880, 1971990, 2629320, 3155184, 3943980, 5258640, 7887960, 15775920]

約数ペア:

[(1, 15775920), (2, 7887960), (3, 5258640), (4, 3943980), (5, 3155184), (6, 2629320), (8, 1971990), (9, 1752880), (10, 1577592), (12, 1314660), (15, 1051728), (16, 985995), (18, 876440), (20, 788796), (24, 657330), (30, 525864), (36, 438220), (40, 394398), (45, 350576), (48, 328665), (60, 262932), (72, 219110), (80, 197199), (90, 175288), (120, 131466), (144, 109555), (180, 87644), (240, 65733), (360, 43822), (720, 21911)]