28773720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:585

約数の個数: 96

約数和(自身を含む): 94180320

約数和(自身を除く): 65406600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 257, 311, 360, 514, 622, 771, 933, 1028, 1244, 1285, 1542, 1555, 1866, 2056, 2313, 2488, 2570, 2799, 3084, 3110, 3732, 3855, 4626, 4665, 5140, 5598, 6168, 6220, 7464, 7710, 9252, 9330, 10280, 11196, 11565, 12440, 13995, 15420, 18504, 18660, 22392, 23130, 27990, 30840, 37320, 46260, 55980, 79927, 92520, 111960, 159854, 239781, 319708, 399635, 479562, 639416, 719343, 799270, 959124, 1198905, 1438686, 1598540, 1918248, 2397810, 2877372, 3197080, 3596715, 4795620, 5754744, 7193430, 9591240, 14386860, 28773720]

約数ペア:

[(1, 28773720), (2, 14386860), (3, 9591240), (4, 7193430), (5, 5754744), (6, 4795620), (8, 3596715), (9, 3197080), (10, 2877372), (12, 2397810), (15, 1918248), (18, 1598540), (20, 1438686), (24, 1198905), (30, 959124), (36, 799270), (40, 719343), (45, 639416), (60, 479562), (72, 399635), (90, 319708), (120, 239781), (180, 159854), (257, 111960), (311, 92520), (360, 79927), (514, 55980), (622, 46260), (771, 37320), (933, 30840), (1028, 27990), (1244, 23130), (1285, 22392), (1542, 18660), (1555, 18504), (1866, 15420), (2056, 13995), (2313, 12440), (2488, 11565), (2570, 11196), (2799, 10280), (3084, 9330), (3110, 9252), (3732, 7710), (3855, 7464), (4626, 6220), (4665, 6168), (5140, 5598)]