28807920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13337}}^1$

素因数の和:13359

約数の個数: 80

約数和(自身を含む): 99234720

約数和(自身を除く): 70426800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 13337, 26674, 40011, 53348, 66685, 80022, 106696, 120033, 133370, 160044, 200055, 213392, 240066, 266740, 320088, 360099, 400110, 480132, 533480, 600165, 640176, 720198, 800220, 960264, 1066960, 1200330, 1440396, 1600440, 1800495, 1920528, 2400660, 2880792, 3200880, 3600990, 4801320, 5761584, 7201980, 9602640, 14403960, 28807920]

約数ペア:

[(1, 28807920), (2, 14403960), (3, 9602640), (4, 7201980), (5, 5761584), (6, 4801320), (8, 3600990), (9, 3200880), (10, 2880792), (12, 2400660), (15, 1920528), (16, 1800495), (18, 1600440), (20, 1440396), (24, 1200330), (27, 1066960), (30, 960264), (36, 800220), (40, 720198), (45, 640176), (48, 600165), (54, 533480), (60, 480132), (72, 400110), (80, 360099), (90, 320088), (108, 266740), (120, 240066), (135, 213392), (144, 200055), (180, 160044), (216, 133370), (240, 120033), (270, 106696), (360, 80022), (432, 66685), (540, 53348), (720, 40011), (1080, 26674), (2160, 13337)]