19996245840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{757}}^1\times {\mathrm{110063}}^1$

素因数の和:110836

約数の個数: 80

約数和(自身を含む): 62070812928

約数和(自身を除く): 42074567088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 757, 1514, 2271, 3028, 3785, 4542, 6056, 7570, 9084, 11355, 12112, 15140, 18168, 22710, 30280, 36336, 45420, 60560, 90840, 110063, 181680, 220126, 330189, 440252, 550315, 660378, 880504, 1100630, 1320756, 1650945, 1761008, 2201260, 2641512, 3301890, 4402520, 5283024, 6603780, 8805040, 13207560, 26415120, 83317691, 166635382, 249953073, 333270764, 416588455, 499906146, 666541528, 833176910, 999812292, 1249765365, 1333083056, 1666353820, 1999624584, 2499530730, 3332707640, 3999249168, 4999061460, 6665415280, 9998122920, 19996245840]

約数ペア:

[(1, 19996245840), (2, 9998122920), (3, 6665415280), (4, 4999061460), (5, 3999249168), (6, 3332707640), (8, 2499530730), (10, 1999624584), (12, 1666353820), (15, 1333083056), (16, 1249765365), (20, 999812292), (24, 833176910), (30, 666541528), (40, 499906146), (48, 416588455), (60, 333270764), (80, 249953073), (120, 166635382), (240, 83317691), (757, 26415120), (1514, 13207560), (2271, 8805040), (3028, 6603780), (3785, 5283024), (4542, 4402520), (6056, 3301890), (7570, 2641512), (9084, 2201260), (11355, 1761008), (12112, 1650945), (15140, 1320756), (18168, 1100630), (22710, 880504), (30280, 660378), (36336, 550315), (45420, 440252), (60560, 330189), (90840, 220126), (110063, 181680)]