15280440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{18191}}^1$

素因数の和:18212

約数の個数: 64

約数和(自身を含む): 52392960

約数和(自身を除く): 37112520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 18191, 36382, 54573, 72764, 90955, 109146, 127337, 145528, 181910, 218292, 254674, 272865, 363820, 382011, 436584, 509348, 545730, 636685, 727640, 764022, 1018696, 1091460, 1273370, 1528044, 1910055, 2182920, 2546740, 3056088, 3820110, 5093480, 7640220, 15280440]

約数ペア:

[(1, 15280440), (2, 7640220), (3, 5093480), (4, 3820110), (5, 3056088), (6, 2546740), (7, 2182920), (8, 1910055), (10, 1528044), (12, 1273370), (14, 1091460), (15, 1018696), (20, 764022), (21, 727640), (24, 636685), (28, 545730), (30, 509348), (35, 436584), (40, 382011), (42, 363820), (56, 272865), (60, 254674), (70, 218292), (84, 181910), (105, 145528), (120, 127337), (140, 109146), (168, 90955), (210, 72764), (280, 54573), (420, 36382), (840, 18191)]