1680145280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{238657}}^1$

素因数の和:238687

約数の個数: 64

約数和(自身を含む): 4381760880

約数和(自身を除く): 2701615600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 238657, 477314, 954628, 1193285, 1909256, 2386570, 2625227, 3818512, 4773140, 5250454, 7637024, 9546280, 10500908, 13126135, 15274048, 19092560, 21001816, 26252270, 30548096, 38185120, 42003632, 52504540, 76370240, 84007264, 105009080, 152740480, 168014528, 210018160, 336029056, 420036320, 840072640, 1680145280]

約数ペア:

[(1, 1680145280), (2, 840072640), (4, 420036320), (5, 336029056), (8, 210018160), (10, 168014528), (11, 152740480), (16, 105009080), (20, 84007264), (22, 76370240), (32, 52504540), (40, 42003632), (44, 38185120), (55, 30548096), (64, 26252270), (80, 21001816), (88, 19092560), (110, 15274048), (128, 13126135), (160, 10500908), (176, 9546280), (220, 7637024), (320, 5250454), (352, 4773140), (440, 3818512), (640, 2625227), (704, 2386570), (880, 1909256), (1408, 1193285), (1760, 954628), (3520, 477314), (7040, 238657)]