1377040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2459}}^1$

素因数の和:2479

約数の個数: 40

約数和(自身を含む): 3660480

約数和(自身を除く): 2283440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2459, 4918, 9836, 12295, 17213, 19672, 24590, 34426, 39344, 49180, 68852, 86065, 98360, 137704, 172130, 196720, 275408, 344260, 688520, 1377040]

約数ペア:

[(1, 1377040), (2, 688520), (4, 344260), (5, 275408), (7, 196720), (8, 172130), (10, 137704), (14, 98360), (16, 86065), (20, 68852), (28, 49180), (35, 39344), (40, 34426), (56, 24590), (70, 19672), (80, 17213), (112, 12295), (140, 9836), (280, 4918), (560, 2459)]