28354260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42961}}^1$

素因数の和:42984

約数の個数: 48

約数和(自身を含む): 86611392

約数和(自身を除く): 58257132

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 42961, 85922, 128883, 171844, 214805, 257766, 429610, 472571, 515532, 644415, 859220, 945142, 1288830, 1417713, 1890284, 2362855, 2577660, 2835426, 4725710, 5670852, 7088565, 9451420, 14177130, 28354260]

約数ペア:

[(1, 28354260), (2, 14177130), (3, 9451420), (4, 7088565), (5, 5670852), (6, 4725710), (10, 2835426), (11, 2577660), (12, 2362855), (15, 1890284), (20, 1417713), (22, 1288830), (30, 945142), (33, 859220), (44, 644415), (55, 515532), (60, 472571), (66, 429610), (110, 257766), (132, 214805), (165, 171844), (220, 128883), (330, 85922), (660, 42961)]