243706680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1118

約数の個数: 192

約数和(自身を含む): 915445440

約数和(自身を除く): 671738760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 97, 105, 120, 126, 140, 168, 180, 194, 210, 252, 280, 291, 315, 360, 388, 420, 485, 504, 582, 630, 679, 776, 840, 873, 970, 997, 1164, 1260, 1358, 1455, 1746, 1940, 1994, 2037, 2328, 2520, 2716, 2910, 2991, 3395, 3492, 3880, 3988, 4074, 4365, 4985, 5432, 5820, 5982, 6111, 6790, 6979, 6984, 7976, 8148, 8730, 8973, 9970, 10185, 11640, 11964, 12222, 13580, 13958, 14955, 16296, 17460, 17946, 19940, 20370, 20937, 23928, 24444, 27160, 27916, 29910, 30555, 34895, 34920, 35892, 39880, 40740, 41874, 44865, 48888, 55832, 59820, 61110, 62811, 69790, 71784, 81480, 83748, 89730, 96709, 104685, 119640, 122220, 125622, 139580, 167496, 179460, 193418, 209370, 244440, 251244, 279160, 290127, 314055, 358920, 386836, 418740, 483545, 502488, 580254, 628110, 676963, 773672, 837480, 870381, 967090, 1160508, 1256220, 1353926, 1450635, 1740762, 1934180, 2030889, 2321016, 2512440, 2707852, 2901270, 3384815, 3481524, 3868360, 4061778, 4351905, 5415704, 5802540, 6092667, 6769630, 6963048, 8123556, 8703810, 10154445, 11605080, 12185334, 13539260, 16247112, 17407620, 20308890, 24370668, 27078520, 30463335, 34815240, 40617780, 48741336, 60926670, 81235560, 121853340, 243706680]

約数ペア:

[(1, 243706680), (2, 121853340), (3, 81235560), (4, 60926670), (5, 48741336), (6, 40617780), (7, 34815240), (8, 30463335), (9, 27078520), (10, 24370668), (12, 20308890), (14, 17407620), (15, 16247112), (18, 13539260), (20, 12185334), (21, 11605080), (24, 10154445), (28, 8703810), (30, 8123556), (35, 6963048), (36, 6769630), (40, 6092667), (42, 5802540), (45, 5415704), (56, 4351905), (60, 4061778), (63, 3868360), (70, 3481524), (72, 3384815), (84, 2901270), (90, 2707852), (97, 2512440), (105, 2321016), (120, 2030889), (126, 1934180), (140, 1740762), (168, 1450635), (180, 1353926), (194, 1256220), (210, 1160508), (252, 967090), (280, 870381), (291, 837480), (315, 773672), (360, 676963), (388, 628110), (420, 580254), (485, 502488), (504, 483545), (582, 418740), (630, 386836), (679, 358920), (776, 314055), (840, 290127), (873, 279160), (970, 251244), (997, 244440), (1164, 209370), (1260, 193418), (1358, 179460), (1455, 167496), (1746, 139580), (1940, 125622), (1994, 122220), (2037, 119640), (2328, 104685), (2520, 96709), (2716, 89730), (2910, 83748), (2991, 81480), (3395, 71784), (3492, 69790), (3880, 62811), (3988, 61110), (4074, 59820), (4365, 55832), (4985, 48888), (5432, 44865), (5820, 41874), (5982, 40740), (6111, 39880), (6790, 35892), (6979, 34920), (6984, 34895), (7976, 30555), (8148, 29910), (8730, 27916), (8973, 27160), (9970, 24444), (10185, 23928), (11640, 20937), (11964, 20370), (12222, 19940), (13580, 17946), (13958, 17460), (14955, 16296)]