15783840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 54899208

約数和(自身を除く): 39115368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 97, 113, 120, 144, 160, 180, 194, 226, 240, 288, 291, 339, 360, 388, 452, 480, 485, 565, 582, 678, 720, 776, 873, 904, 970, 1017, 1130, 1164, 1356, 1440, 1455, 1552, 1695, 1746, 1808, 1940, 2034, 2260, 2328, 2712, 2910, 3104, 3390, 3492, 3616, 3880, 4068, 4365, 4520, 4656, 5085, 5424, 5820, 6780, 6984, 7760, 8136, 8730, 9040, 9312, 10170, 10848, 10961, 11640, 13560, 13968, 15520, 16272, 17460, 18080, 20340, 21922, 23280, 27120, 27936, 32544, 32883, 34920, 40680, 43844, 46560, 54240, 54805, 65766, 69840, 81360, 87688, 98649, 109610, 131532, 139680, 162720, 164415, 175376, 197298, 219220, 263064, 328830, 350752, 394596, 438440, 493245, 526128, 657660, 789192, 876880, 986490, 1052256, 1315320, 1578384, 1753760, 1972980, 2630640, 3156768, 3945960, 5261280, 7891920, 15783840]

約数ペア:

[(1, 15783840), (2, 7891920), (3, 5261280), (4, 3945960), (5, 3156768), (6, 2630640), (8, 1972980), (9, 1753760), (10, 1578384), (12, 1315320), (15, 1052256), (16, 986490), (18, 876880), (20, 789192), (24, 657660), (30, 526128), (32, 493245), (36, 438440), (40, 394596), (45, 350752), (48, 328830), (60, 263064), (72, 219220), (80, 197298), (90, 175376), (96, 164415), (97, 162720), (113, 139680), (120, 131532), (144, 109610), (160, 98649), (180, 87688), (194, 81360), (226, 69840), (240, 65766), (288, 54805), (291, 54240), (339, 46560), (360, 43844), (388, 40680), (452, 34920), (480, 32883), (485, 32544), (565, 27936), (582, 27120), (678, 23280), (720, 21922), (776, 20340), (873, 18080), (904, 17460), (970, 16272), (1017, 15520), (1130, 13968), (1164, 13560), (1356, 11640), (1440, 10961), (1455, 10848), (1552, 10170), (1695, 9312), (1746, 9040), (1808, 8730), (1940, 8136), (2034, 7760), (2260, 6984), (2328, 6780), (2712, 5820), (2910, 5424), (3104, 5085), (3390, 4656), (3492, 4520), (3616, 4365), (3880, 4068)]