68605040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{122509}}^1$

素因数の和:122529

約数の個数: 40

約数和(自身を含む): 182294880

約数和(自身を除く): 113689840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 122509, 245018, 490036, 612545, 857563, 980072, 1225090, 1715126, 1960144, 2450180, 3430252, 4287815, 4900360, 6860504, 8575630, 9800720, 13721008, 17151260, 34302520, 68605040]

約数ペア:

[(1, 68605040), (2, 34302520), (4, 17151260), (5, 13721008), (7, 9800720), (8, 8575630), (10, 6860504), (14, 4900360), (16, 4287815), (20, 3430252), (28, 2450180), (35, 1960144), (40, 1715126), (56, 1225090), (70, 980072), (80, 857563), (112, 612545), (140, 490036), (280, 245018), (560, 122509)]