1279655440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2285099}}^1$

素因数の和:2285119

約数の個数: 40

約数和(自身を含む): 3400228800

約数和(自身を除く): 2120573360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2285099, 4570198, 9140396, 11425495, 15995693, 18280792, 22850990, 31991386, 36561584, 45701980, 63982772, 79978465, 91403960, 127965544, 159956930, 182807920, 255931088, 319913860, 639827720, 1279655440]

約数ペア:

[(1, 1279655440), (2, 639827720), (4, 319913860), (5, 255931088), (7, 182807920), (8, 159956930), (10, 127965544), (14, 91403960), (16, 79978465), (20, 63982772), (28, 45701980), (35, 36561584), (40, 31991386), (56, 22850990), (70, 18280792), (80, 15995693), (112, 11425495), (140, 9140396), (280, 4570198), (560, 2285099)]