217630320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{906793}}^1$

素因数の和:906809

約数の個数: 40

約数和(自身を含む): 674654736

約数和(自身を除く): 457024416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 906793, 1813586, 2720379, 3627172, 4533965, 5440758, 7254344, 9067930, 10881516, 13601895, 14508688, 18135860, 21763032, 27203790, 36271720, 43526064, 54407580, 72543440, 108815160, 217630320]

約数ペア:

[(1, 217630320), (2, 108815160), (3, 72543440), (4, 54407580), (5, 43526064), (6, 36271720), (8, 27203790), (10, 21763032), (12, 18135860), (15, 14508688), (16, 13601895), (20, 10881516), (24, 9067930), (30, 7254344), (40, 5440758), (48, 4533965), (60, 3627172), (80, 2720379), (120, 1813586), (240, 906793)]