78587460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:762

約数の個数: 144

約数和(自身を含む): 275673216

約数和(自身を除く): 197085756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 485, 582, 630, 643, 679, 873, 970, 1164, 1260, 1286, 1358, 1455, 1746, 1929, 1940, 2037, 2572, 2716, 2910, 3215, 3395, 3492, 3858, 4074, 4365, 4501, 5787, 5820, 6111, 6430, 6790, 7716, 8148, 8730, 9002, 9645, 10185, 11574, 12222, 12860, 13503, 13580, 17460, 18004, 19290, 20370, 22505, 23148, 24444, 27006, 28935, 30555, 38580, 40509, 40740, 45010, 54012, 57870, 61110, 62371, 67515, 81018, 90020, 115740, 122220, 124742, 135030, 162036, 187113, 202545, 249484, 270060, 311855, 374226, 405090, 436597, 561339, 623710, 748452, 810180, 873194, 935565, 1122678, 1247420, 1309791, 1746388, 1871130, 2182985, 2245356, 2619582, 2806695, 3742260, 3929373, 4365970, 5239164, 5613390, 6548955, 7858746, 8731940, 11226780, 13097910, 15717492, 19646865, 26195820, 39293730, 78587460]

約数ペア:

[(1, 78587460), (2, 39293730), (3, 26195820), (4, 19646865), (5, 15717492), (6, 13097910), (7, 11226780), (9, 8731940), (10, 7858746), (12, 6548955), (14, 5613390), (15, 5239164), (18, 4365970), (20, 3929373), (21, 3742260), (28, 2806695), (30, 2619582), (35, 2245356), (36, 2182985), (42, 1871130), (45, 1746388), (60, 1309791), (63, 1247420), (70, 1122678), (84, 935565), (90, 873194), (97, 810180), (105, 748452), (126, 623710), (140, 561339), (180, 436597), (194, 405090), (210, 374226), (252, 311855), (291, 270060), (315, 249484), (388, 202545), (420, 187113), (485, 162036), (582, 135030), (630, 124742), (643, 122220), (679, 115740), (873, 90020), (970, 81018), (1164, 67515), (1260, 62371), (1286, 61110), (1358, 57870), (1455, 54012), (1746, 45010), (1929, 40740), (1940, 40509), (2037, 38580), (2572, 30555), (2716, 28935), (2910, 27006), (3215, 24444), (3395, 23148), (3492, 22505), (3858, 20370), (4074, 19290), (4365, 18004), (4501, 17460), (5787, 13580), (5820, 13503), (6111, 12860), (6430, 12222), (6790, 11574), (7716, 10185), (8148, 9645), (8730, 9002)]