28748880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39929}}^1$

素因数の和:39948

約数の個数: 60

約数和(自身を含む): 96550740

約数和(自身を除く): 67801860

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, 39929, 79858, 119787, 159716, 199645, 239574, 319432, 359361, 399290, 479148, 598935, 638864, 718722, 798580, 958296, 1197870, 1437444, 1597160, 1796805, 1916592, 2395740, 2874888, 3194320, 3593610, 4791480, 5749776, 7187220, 9582960, 14374440, 28748880]

約数ペア:

[(1, 28748880), (2, 14374440), (3, 9582960), (4, 7187220), (5, 5749776), (6, 4791480), (8, 3593610), (9, 3194320), (10, 2874888), (12, 2395740), (15, 1916592), (16, 1796805), (18, 1597160), (20, 1437444), (24, 1197870), (30, 958296), (36, 798580), (40, 718722), (45, 638864), (48, 598935), (60, 479148), (72, 399290), (80, 359361), (90, 319432), (120, 239574), (144, 199645), (180, 159716), (240, 119787), (360, 79858), (720, 39929)]