487647520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{70879}}^1$

素因数の和:70937

約数の個数: 48

約数和(自身を含む): 1178876160

約数和(自身を除く): 691228640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 70879, 141758, 283516, 354395, 567032, 708790, 1134064, 1417580, 2268128, 2835160, 3047797, 5670320, 6095594, 11340640, 12191188, 15238985, 24382376, 30477970, 48764752, 60955940, 97529504, 121911880, 243823760, 487647520]

約数ペア:

[(1, 487647520), (2, 243823760), (4, 121911880), (5, 97529504), (8, 60955940), (10, 48764752), (16, 30477970), (20, 24382376), (32, 15238985), (40, 12191188), (43, 11340640), (80, 6095594), (86, 5670320), (160, 3047797), (172, 2835160), (215, 2268128), (344, 1417580), (430, 1134064), (688, 708790), (860, 567032), (1376, 354395), (1720, 283516), (3440, 141758), (6880, 70879)]