208001640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22511}}^1$

素因数の和:22543

約数の個数: 128

約数和(自身を含む): 778014720

約数和(自身を除く): 570013080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 22511, 45022, 67533, 90044, 112555, 135066, 157577, 180088, 225110, 247621, 270132, 315154, 337665, 450220, 472731, 495242, 540264, 630308, 675330, 742863, 787885, 900440, 945462, 990484, 1238105, 1260616, 1350660, 1485726, 1575770, 1733347, 1890924, 1980968, 2363655, 2476210, 2701320, 2971452, 3151540, 3466694, 3714315, 3781848, 4727310, 4952420, 5200041, 5942904, 6303080, 6933388, 7428630, 8666735, 9454620, 9904840, 10400082, 13866776, 14857260, 17333470, 18909240, 20800164, 26000205, 29714520, 34666940, 41600328, 52000410, 69333880, 104000820, 208001640]

約数ペア:

[(1, 208001640), (2, 104000820), (3, 69333880), (4, 52000410), (5, 41600328), (6, 34666940), (7, 29714520), (8, 26000205), (10, 20800164), (11, 18909240), (12, 17333470), (14, 14857260), (15, 13866776), (20, 10400082), (21, 9904840), (22, 9454620), (24, 8666735), (28, 7428630), (30, 6933388), (33, 6303080), (35, 5942904), (40, 5200041), (42, 4952420), (44, 4727310), (55, 3781848), (56, 3714315), (60, 3466694), (66, 3151540), (70, 2971452), (77, 2701320), (84, 2476210), (88, 2363655), (105, 1980968), (110, 1890924), (120, 1733347), (132, 1575770), (140, 1485726), (154, 1350660), (165, 1260616), (168, 1238105), (210, 990484), (220, 945462), (231, 900440), (264, 787885), (280, 742863), (308, 675330), (330, 630308), (385, 540264), (420, 495242), (440, 472731), (462, 450220), (616, 337665), (660, 315154), (770, 270132), (840, 247621), (924, 225110), (1155, 180088), (1320, 157577), (1540, 135066), (1848, 112555), (2310, 90044), (3080, 67533), (4620, 45022), (9240, 22511)]