638535120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{6173}}^1$

素因数の和:6620

約数の個数: 80

約数和(自身を含む): 1984372992

約数和(自身を除く): 1345837872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 431, 862, 1293, 1724, 2155, 2586, 3448, 4310, 5172, 6173, 6465, 6896, 8620, 10344, 12346, 12930, 17240, 18519, 20688, 24692, 25860, 30865, 34480, 37038, 49384, 51720, 61730, 74076, 92595, 98768, 103440, 123460, 148152, 185190, 246920, 296304, 370380, 493840, 740760, 1481520, 2660563, 5321126, 7981689, 10642252, 13302815, 15963378, 21284504, 26605630, 31926756, 39908445, 42569008, 53211260, 63853512, 79816890, 106422520, 127707024, 159633780, 212845040, 319267560, 638535120]

約数ペア:

[(1, 638535120), (2, 319267560), (3, 212845040), (4, 159633780), (5, 127707024), (6, 106422520), (8, 79816890), (10, 63853512), (12, 53211260), (15, 42569008), (16, 39908445), (20, 31926756), (24, 26605630), (30, 21284504), (40, 15963378), (48, 13302815), (60, 10642252), (80, 7981689), (120, 5321126), (240, 2660563), (431, 1481520), (862, 740760), (1293, 493840), (1724, 370380), (2155, 296304), (2586, 246920), (3448, 185190), (4310, 148152), (5172, 123460), (6173, 103440), (6465, 98768), (6896, 92595), (8620, 74076), (10344, 61730), (12346, 51720), (12930, 49384), (17240, 37038), (18519, 34480), (20688, 30865), (24692, 25860)]