1390945080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:558

約数の個数: 256

約数和(自身を含む): 4942586880

約数和(自身を除く): 3551641800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 97, 105, 120, 129, 140, 168, 172, 194, 210, 215, 258, 280, 291, 301, 344, 388, 397, 420, 430, 485, 516, 582, 602, 645, 679, 776, 794, 840, 860, 903, 970, 1032, 1164, 1191, 1204, 1290, 1358, 1455, 1505, 1588, 1720, 1806, 1940, 1985, 2037, 2328, 2382, 2408, 2580, 2716, 2779, 2910, 3010, 3176, 3395, 3612, 3880, 3970, 4074, 4171, 4515, 4764, 5160, 5432, 5558, 5820, 5955, 6020, 6790, 7224, 7940, 8148, 8337, 8342, 9030, 9528, 10185, 11116, 11640, 11910, 12040, 12513, 13580, 13895, 15880, 16296, 16674, 16684, 17071, 18060, 20370, 20855, 22232, 23820, 25026, 27160, 27790, 29197, 33348, 33368, 34142, 36120, 38509, 40740, 41685, 41710, 47640, 50052, 51213, 55580, 58394, 62565, 66696, 68284, 77018, 81480, 83370, 83420, 85355, 87591, 100104, 102426, 111160, 115527, 116788, 119497, 125130, 136568, 145985, 154036, 166740, 166840, 170710, 175182, 192545, 204852, 231054, 233576, 238994, 250260, 256065, 269563, 291970, 308072, 333480, 341420, 350364, 358491, 385090, 409704, 437955, 462108, 477988, 500520, 512130, 539126, 577635, 583940, 597485, 682840, 700728, 716982, 770180, 808689, 875910, 924216, 955976, 1024260, 1078252, 1155270, 1167880, 1194970, 1347815, 1433964, 1540360, 1617378, 1655887, 1751820, 1792455, 2048520, 2156504, 2310540, 2389940, 2695630, 2867928, 3234756, 3311774, 3503640, 3584910, 4043445, 4621080, 4779880, 4967661, 5391260, 6469512, 6623548, 7169820, 8086890, 8279435, 9935322, 10782520, 11591209, 13247096, 14339640, 16173780, 16558870, 19870644, 23182418, 24838305, 32347560, 33117740, 34773627, 39741288, 46364836, 49676610, 57956045, 66235480, 69547254, 92729672, 99353220, 115912090, 139094508, 173868135, 198706440, 231824180, 278189016, 347736270, 463648360, 695472540, 1390945080]

約数ペア:

[(1, 1390945080), (2, 695472540), (3, 463648360), (4, 347736270), (5, 278189016), (6, 231824180), (7, 198706440), (8, 173868135), (10, 139094508), (12, 115912090), (14, 99353220), (15, 92729672), (20, 69547254), (21, 66235480), (24, 57956045), (28, 49676610), (30, 46364836), (35, 39741288), (40, 34773627), (42, 33117740), (43, 32347560), (56, 24838305), (60, 23182418), (70, 19870644), (84, 16558870), (86, 16173780), (97, 14339640), (105, 13247096), (120, 11591209), (129, 10782520), (140, 9935322), (168, 8279435), (172, 8086890), (194, 7169820), (210, 6623548), (215, 6469512), (258, 5391260), (280, 4967661), (291, 4779880), (301, 4621080), (344, 4043445), (388, 3584910), (397, 3503640), (420, 3311774), (430, 3234756), (485, 2867928), (516, 2695630), (582, 2389940), (602, 2310540), (645, 2156504), (679, 2048520), (776, 1792455), (794, 1751820), (840, 1655887), (860, 1617378), (903, 1540360), (970, 1433964), (1032, 1347815), (1164, 1194970), (1191, 1167880), (1204, 1155270), (1290, 1078252), (1358, 1024260), (1455, 955976), (1505, 924216), (1588, 875910), (1720, 808689), (1806, 770180), (1940, 716982), (1985, 700728), (2037, 682840), (2328, 597485), (2382, 583940), (2408, 577635), (2580, 539126), (2716, 512130), (2779, 500520), (2910, 477988), (3010, 462108), (3176, 437955), (3395, 409704), (3612, 385090), (3880, 358491), (3970, 350364), (4074, 341420), (4171, 333480), (4515, 308072), (4764, 291970), (5160, 269563), (5432, 256065), (5558, 250260), (5820, 238994), (5955, 233576), (6020, 231054), (6790, 204852), (7224, 192545), (7940, 175182), (8148, 170710), (8337, 166840), (8342, 166740), (9030, 154036), (9528, 145985), (10185, 136568), (11116, 125130), (11640, 119497), (11910, 116788), (12040, 115527), (12513, 111160), (13580, 102426), (13895, 100104), (15880, 87591), (16296, 85355), (16674, 83420), (16684, 83370), (17071, 81480), (18060, 77018), (20370, 68284), (20855, 66696), (22232, 62565), (23820, 58394), (25026, 55580), (27160, 51213), (27790, 50052), (29197, 47640), (33348, 41710), (33368, 41685), (34142, 40740), (36120, 38509)]