19689120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1$

素因数の和:156

約数の個数: 216

約数和(自身を含む): 74506068

約数和(自身を除く): 54816948

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 113, 120, 121, 132, 144, 160, 165, 176, 180, 198, 220, 226, 240, 242, 264, 288, 330, 339, 352, 360, 363, 396, 440, 452, 480, 484, 495, 528, 565, 605, 660, 678, 720, 726, 792, 880, 904, 968, 990, 1017, 1056, 1089, 1130, 1210, 1243, 1320, 1356, 1440, 1452, 1584, 1695, 1760, 1808, 1815, 1936, 1980, 2034, 2178, 2260, 2420, 2486, 2640, 2712, 2904, 3168, 3390, 3616, 3630, 3729, 3872, 3960, 4068, 4356, 4520, 4840, 4972, 5085, 5280, 5424, 5445, 5808, 6215, 6780, 7260, 7458, 7920, 8136, 8712, 9040, 9680, 9944, 10170, 10848, 10890, 11187, 11616, 12430, 13560, 13673, 14520, 14916, 15840, 16272, 17424, 18080, 18645, 19360, 19888, 20340, 21780, 22374, 24860, 27120, 27346, 29040, 29832, 32544, 34848, 37290, 39776, 40680, 41019, 43560, 44748, 49720, 54240, 54692, 55935, 58080, 59664, 68365, 74580, 81360, 82038, 87120, 89496, 99440, 109384, 111870, 119328, 123057, 136730, 149160, 162720, 164076, 174240, 178992, 198880, 205095, 218768, 223740, 246114, 273460, 298320, 328152, 357984, 410190, 437536, 447480, 492228, 546920, 596640, 615285, 656304, 820380, 894960, 984456, 1093840, 1230570, 1312608, 1640760, 1789920, 1968912, 2187680, 2461140, 3281520, 3937824, 4922280, 6563040, 9844560, 19689120]

約数ペア:

[(1, 19689120), (2, 9844560), (3, 6563040), (4, 4922280), (5, 3937824), (6, 3281520), (8, 2461140), (9, 2187680), (10, 1968912), (11, 1789920), (12, 1640760), (15, 1312608), (16, 1230570), (18, 1093840), (20, 984456), (22, 894960), (24, 820380), (30, 656304), (32, 615285), (33, 596640), (36, 546920), (40, 492228), (44, 447480), (45, 437536), (48, 410190), (55, 357984), (60, 328152), (66, 298320), (72, 273460), (80, 246114), (88, 223740), (90, 218768), (96, 205095), (99, 198880), (110, 178992), (113, 174240), (120, 164076), (121, 162720), (132, 149160), (144, 136730), (160, 123057), (165, 119328), (176, 111870), (180, 109384), (198, 99440), (220, 89496), (226, 87120), (240, 82038), (242, 81360), (264, 74580), (288, 68365), (330, 59664), (339, 58080), (352, 55935), (360, 54692), (363, 54240), (396, 49720), (440, 44748), (452, 43560), (480, 41019), (484, 40680), (495, 39776), (528, 37290), (565, 34848), (605, 32544), (660, 29832), (678, 29040), (720, 27346), (726, 27120), (792, 24860), (880, 22374), (904, 21780), (968, 20340), (990, 19888), (1017, 19360), (1056, 18645), (1089, 18080), (1130, 17424), (1210, 16272), (1243, 15840), (1320, 14916), (1356, 14520), (1440, 13673), (1452, 13560), (1584, 12430), (1695, 11616), (1760, 11187), (1808, 10890), (1815, 10848), (1936, 10170), (1980, 9944), (2034, 9680), (2178, 9040), (2260, 8712), (2420, 8136), (2486, 7920), (2640, 7458), (2712, 7260), (2904, 6780), (3168, 6215), (3390, 5808), (3616, 5445), (3630, 5424), (3729, 5280), (3872, 5085), (3960, 4972), (4068, 4840), (4356, 4520)]