28095240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{911}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 84706560

約数和(自身を除く): 56611320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 911, 1028, 1285, 1542, 1822, 2056, 2570, 2733, 3084, 3644, 3855, 4555, 5140, 5466, 6168, 7288, 7710, 9110, 10280, 10932, 13665, 15420, 18220, 21864, 27330, 30840, 36440, 54660, 109320, 234127, 468254, 702381, 936508, 1170635, 1404762, 1873016, 2341270, 2809524, 3511905, 4682540, 5619048, 7023810, 9365080, 14047620, 28095240]

約数ペア:

[(1, 28095240), (2, 14047620), (3, 9365080), (4, 7023810), (5, 5619048), (6, 4682540), (8, 3511905), (10, 2809524), (12, 2341270), (15, 1873016), (20, 1404762), (24, 1170635), (30, 936508), (40, 702381), (60, 468254), (120, 234127), (257, 109320), (514, 54660), (771, 36440), (911, 30840), (1028, 27330), (1285, 21864), (1542, 18220), (1822, 15420), (2056, 13665), (2570, 10932), (2733, 10280), (3084, 9110), (3644, 7710), (3855, 7288), (4555, 6168), (5140, 5466)]