29990280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 90331200

約数和(自身を除く): 60340920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 509, 982, 1018, 1473, 1527, 1964, 2036, 2455, 2545, 2946, 3054, 3928, 4072, 4910, 5090, 5892, 6108, 7365, 7635, 9820, 10180, 11784, 12216, 14730, 15270, 19640, 20360, 29460, 30540, 58920, 61080, 249919, 499838, 749757, 999676, 1249595, 1499514, 1999352, 2499190, 2999028, 3748785, 4998380, 5998056, 7497570, 9996760, 14995140, 29990280]

約数ペア:

[(1, 29990280), (2, 14995140), (3, 9996760), (4, 7497570), (5, 5998056), (6, 4998380), (8, 3748785), (10, 2999028), (12, 2499190), (15, 1999352), (20, 1499514), (24, 1249595), (30, 999676), (40, 749757), (60, 499838), (120, 249919), (491, 61080), (509, 58920), (982, 30540), (1018, 29460), (1473, 20360), (1527, 19640), (1964, 15270), (2036, 14730), (2455, 12216), (2545, 11784), (2946, 10180), (3054, 9820), (3928, 7635), (4072, 7365), (4910, 6108), (5090, 5892)]