138271560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1697}}^1$

素因数の和:1815

約数の個数: 128

約数和(自身を含む): 479243520

約数和(自身を除く): 340971960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1697, 1940, 2037, 2328, 2716, 2910, 3394, 3395, 3880, 4074, 5091, 5432, 5820, 6788, 6790, 8148, 8485, 10182, 10185, 11640, 11879, 13576, 13580, 16296, 16970, 20364, 20370, 23758, 25455, 27160, 33940, 35637, 40728, 40740, 47516, 50910, 59395, 67880, 71274, 81480, 95032, 101820, 118790, 142548, 164609, 178185, 203640, 237580, 285096, 329218, 356370, 475160, 493827, 658436, 712740, 823045, 987654, 1152263, 1316872, 1425480, 1646090, 1975308, 2304526, 2469135, 3292180, 3456789, 3950616, 4609052, 4938270, 5761315, 6584360, 6913578, 9218104, 9876540, 11522630, 13827156, 17283945, 19753080, 23045260, 27654312, 34567890, 46090520, 69135780, 138271560]

約数ペア:

[(1, 138271560), (2, 69135780), (3, 46090520), (4, 34567890), (5, 27654312), (6, 23045260), (7, 19753080), (8, 17283945), (10, 13827156), (12, 11522630), (14, 9876540), (15, 9218104), (20, 6913578), (21, 6584360), (24, 5761315), (28, 4938270), (30, 4609052), (35, 3950616), (40, 3456789), (42, 3292180), (56, 2469135), (60, 2304526), (70, 1975308), (84, 1646090), (97, 1425480), (105, 1316872), (120, 1152263), (140, 987654), (168, 823045), (194, 712740), (210, 658436), (280, 493827), (291, 475160), (388, 356370), (420, 329218), (485, 285096), (582, 237580), (679, 203640), (776, 178185), (840, 164609), (970, 142548), (1164, 118790), (1358, 101820), (1455, 95032), (1697, 81480), (1940, 71274), (2037, 67880), (2328, 59395), (2716, 50910), (2910, 47516), (3394, 40740), (3395, 40728), (3880, 35637), (4074, 33940), (5091, 27160), (5432, 25455), (5820, 23758), (6788, 20370), (6790, 20364), (8148, 16970), (8485, 16296), (10182, 13580), (10185, 13576), (11640, 11879)]