51290640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71237}}^1$

素因数の和:71256

約数の個数: 60

約数和(自身を含む): 172253484

約数和(自身を除く): 120962844

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 71237, 142474, 213711, 284948, 356185, 427422, 569896, 641133, 712370, 854844, 1068555, 1139792, 1282266, 1424740, 1709688, 2137110, 2564532, 2849480, 3205665, 3419376, 4274220, 5129064, 5698960, 6411330, 8548440, 10258128, 12822660, 17096880, 25645320, 51290640]

約数ペア:

[(1, 51290640), (2, 25645320), (3, 17096880), (4, 12822660), (5, 10258128), (6, 8548440), (8, 6411330), (9, 5698960), (10, 5129064), (12, 4274220), (15, 3419376), (16, 3205665), (18, 2849480), (20, 2564532), (24, 2137110), (30, 1709688), (36, 1424740), (40, 1282266), (45, 1139792), (48, 1068555), (60, 854844), (72, 712370), (80, 641133), (90, 569896), (120, 427422), (144, 356185), (180, 284948), (240, 213711), (360, 142474), (720, 71237)]