142540720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{254537}}^1$

素因数の和:254557

約数の個数: 40

約数和(自身を含む): 378752544

約数和(自身を除く): 236211824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 254537, 509074, 1018148, 1272685, 1781759, 2036296, 2545370, 3563518, 4072592, 5090740, 7127036, 8908795, 10181480, 14254072, 17817590, 20362960, 28508144, 35635180, 71270360, 142540720]

約数ペア:

[(1, 142540720), (2, 71270360), (4, 35635180), (5, 28508144), (7, 20362960), (8, 17817590), (10, 14254072), (14, 10181480), (16, 8908795), (20, 7127036), (28, 5090740), (35, 4072592), (40, 3563518), (56, 2545370), (70, 2036296), (80, 1781759), (112, 1272685), (140, 1018148), (280, 509074), (560, 254537)]