320353040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{572059}}^1$

素因数の和:572079

約数の個数: 40

約数和(自身を含む): 851225280

約数和(自身を除く): 530872240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 572059, 1144118, 2288236, 2860295, 4004413, 4576472, 5720590, 8008826, 9152944, 11441180, 16017652, 20022065, 22882360, 32035304, 40044130, 45764720, 64070608, 80088260, 160176520, 320353040]

約数ペア:

[(1, 320353040), (2, 160176520), (4, 80088260), (5, 64070608), (7, 45764720), (8, 40044130), (10, 32035304), (14, 22882360), (16, 20022065), (20, 16017652), (28, 11441180), (35, 9152944), (40, 8008826), (56, 5720590), (70, 4576472), (80, 4004413), (112, 2860295), (140, 2288236), (280, 1144118), (560, 572059)]