320161520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{571717}}^1$

素因数の和:571737

約数の個数: 40

約数和(自身を含む): 850716384

約数和(自身を除く): 530554864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 571717, 1143434, 2286868, 2858585, 4002019, 4573736, 5717170, 8004038, 9147472, 11434340, 16008076, 20010095, 22868680, 32016152, 40020190, 45737360, 64032304, 80040380, 160080760, 320161520]

約数ペア:

[(1, 320161520), (2, 160080760), (4, 80040380), (5, 64032304), (7, 45737360), (8, 40020190), (10, 32016152), (14, 22868680), (16, 20010095), (20, 16008076), (28, 11434340), (35, 9147472), (40, 8004038), (56, 5717170), (70, 4573736), (80, 4002019), (112, 2858585), (140, 2286868), (280, 1143434), (560, 571717)]