77803920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{108061}}^1$

素因数の和:108080

約数の個数: 60

約数和(自身を含む): 261293916

約数和(自身を除く): 183489996

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, 108061, 216122, 324183, 432244, 540305, 648366, 864488, 972549, 1080610, 1296732, 1620915, 1728976, 1945098, 2161220, 2593464, 3241830, 3890196, 4322440, 4862745, 5186928, 6483660, 7780392, 8644880, 9725490, 12967320, 15560784, 19450980, 25934640, 38901960, 77803920]

約数ペア:

[(1, 77803920), (2, 38901960), (3, 25934640), (4, 19450980), (5, 15560784), (6, 12967320), (8, 9725490), (9, 8644880), (10, 7780392), (12, 6483660), (15, 5186928), (16, 4862745), (18, 4322440), (20, 3890196), (24, 3241830), (30, 2593464), (36, 2161220), (40, 1945098), (45, 1728976), (48, 1620915), (60, 1296732), (72, 1080610), (80, 972549), (90, 864488), (120, 648366), (144, 540305), (180, 432244), (240, 324183), (360, 216122), (720, 108061)]