255768520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{8537}}^1$

素因数の和:8662

約数の個数: 64

約数和(自身を含む): 663914880

約数和(自身を除く): 408146360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2140, 2996, 3745, 4280, 5992, 7490, 8537, 14980, 17074, 29960, 34148, 42685, 59759, 68296, 85370, 119518, 170740, 239036, 298795, 341480, 478072, 597590, 913459, 1195180, 1826918, 2390360, 3653836, 4567295, 6394213, 7307672, 9134590, 12788426, 18269180, 25576852, 31971065, 36538360, 51153704, 63942130, 127884260, 255768520]

約数ペア:

[(1, 255768520), (2, 127884260), (4, 63942130), (5, 51153704), (7, 36538360), (8, 31971065), (10, 25576852), (14, 18269180), (20, 12788426), (28, 9134590), (35, 7307672), (40, 6394213), (56, 4567295), (70, 3653836), (107, 2390360), (140, 1826918), (214, 1195180), (280, 913459), (428, 597590), (535, 478072), (749, 341480), (856, 298795), (1070, 239036), (1498, 170740), (2140, 119518), (2996, 85370), (3745, 68296), (4280, 59759), (5992, 42685), (7490, 34148), (8537, 29960), (14980, 17074)]