319574280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61933}}^1$

素因数の和:61990

約数の個数: 64

約数和(自身を含む): 981034560

約数和(自身を除く): 661460280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 61933, 123866, 185799, 247732, 309665, 371598, 495464, 619330, 743196, 928995, 1238660, 1486392, 1857990, 2477320, 2663119, 3715980, 5326238, 7431960, 7989357, 10652476, 13315595, 15978714, 21304952, 26631190, 31957428, 39946785, 53262380, 63914856, 79893570, 106524760, 159787140, 319574280]

約数ペア:

[(1, 319574280), (2, 159787140), (3, 106524760), (4, 79893570), (5, 63914856), (6, 53262380), (8, 39946785), (10, 31957428), (12, 26631190), (15, 21304952), (20, 15978714), (24, 13315595), (30, 10652476), (40, 7989357), (43, 7431960), (60, 5326238), (86, 3715980), (120, 2663119), (129, 2477320), (172, 1857990), (215, 1486392), (258, 1238660), (344, 928995), (430, 743196), (516, 619330), (645, 495464), (860, 371598), (1032, 309665), (1290, 247732), (1720, 185799), (2580, 123866), (5160, 61933)]