817040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1459}}^1$

素因数の和:1479

約数の個数: 40

約数和(自身を含む): 2172480

約数和(自身を除く): 1355440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1459, 2918, 5836, 7295, 10213, 11672, 14590, 20426, 23344, 29180, 40852, 51065, 58360, 81704, 102130, 116720, 163408, 204260, 408520, 817040]

約数ペア:

[(1, 817040), (2, 408520), (4, 204260), (5, 163408), (7, 116720), (8, 102130), (10, 81704), (14, 58360), (16, 51065), (20, 40852), (28, 29180), (35, 23344), (40, 20426), (56, 14590), (70, 11672), (80, 10213), (112, 7295), (140, 5836), (280, 2918), (560, 1459)]