257900520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2149171}}^1$

素因数の和:2149185

約数の個数: 32

約数和(自身を含む): 773701920

約数和(自身を除く): 515801400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2149171, 4298342, 6447513, 8596684, 10745855, 12895026, 17193368, 21491710, 25790052, 32237565, 42983420, 51580104, 64475130, 85966840, 128950260, 257900520]

約数ペア:

[(1, 257900520), (2, 128950260), (3, 85966840), (4, 64475130), (5, 51580104), (6, 42983420), (8, 32237565), (10, 25790052), (12, 21491710), (15, 17193368), (20, 12895026), (24, 10745855), (30, 8596684), (40, 6447513), (60, 4298342), (120, 2149171)]