28249320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21401}}^1$

素因数の和:21426

約数の個数: 64

約数和(自身を含む): 92456640

約数和(自身を除く): 64207320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21401, 42802, 64203, 85604, 107005, 128406, 171208, 214010, 235411, 256812, 321015, 428020, 470822, 513624, 642030, 706233, 856040, 941644, 1177055, 1284060, 1412466, 1883288, 2354110, 2568120, 2824932, 3531165, 4708220, 5649864, 7062330, 9416440, 14124660, 28249320]

約数ペア:

[(1, 28249320), (2, 14124660), (3, 9416440), (4, 7062330), (5, 5649864), (6, 4708220), (8, 3531165), (10, 2824932), (11, 2568120), (12, 2354110), (15, 1883288), (20, 1412466), (22, 1284060), (24, 1177055), (30, 941644), (33, 856040), (40, 706233), (44, 642030), (55, 513624), (60, 470822), (66, 428020), (88, 321015), (110, 256812), (120, 235411), (132, 214010), (165, 171208), (220, 128406), (264, 107005), (330, 85604), (440, 64203), (660, 42802), (1320, 21401)]