12121920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 224

約数和(自身を含む): 45354240

約数和(自身を除く): 33232320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 61, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 122, 135, 138, 144, 160, 180, 183, 184, 192, 207, 216, 230, 240, 244, 270, 276, 288, 305, 320, 345, 360, 366, 368, 414, 432, 460, 480, 488, 540, 549, 552, 576, 610, 621, 690, 720, 732, 736, 828, 864, 915, 920, 960, 976, 1035, 1080, 1098, 1104, 1220, 1242, 1380, 1403, 1440, 1464, 1472, 1647, 1656, 1728, 1830, 1840, 1952, 2070, 2160, 2196, 2208, 2440, 2484, 2745, 2760, 2806, 2880, 2928, 3105, 3294, 3312, 3660, 3680, 3904, 4140, 4209, 4320, 4392, 4416, 4880, 4968, 5490, 5520, 5612, 5856, 6210, 6588, 6624, 7015, 7320, 7360, 8235, 8280, 8418, 8640, 8784, 9760, 9936, 10980, 11040, 11224, 11712, 12420, 12627, 13176, 13248, 14030, 14640, 16470, 16560, 16836, 17568, 19520, 19872, 21045, 21960, 22080, 22448, 24840, 25254, 26352, 28060, 29280, 32940, 33120, 33672, 35136, 37881, 39744, 42090, 43920, 44896, 49680, 50508, 52704, 56120, 58560, 63135, 65880, 66240, 67344, 75762, 84180, 87840, 89792, 99360, 101016, 105408, 112240, 126270, 131760, 134688, 151524, 168360, 175680, 189405, 198720, 202032, 224480, 252540, 263520, 269376, 303048, 336720, 378810, 404064, 448960, 505080, 527040, 606096, 673440, 757620, 808128, 1010160, 1212192, 1346880, 1515240, 2020320, 2424384, 3030480, 4040640, 6060960, 12121920]

約数ペア:

[(1, 12121920), (2, 6060960), (3, 4040640), (4, 3030480), (5, 2424384), (6, 2020320), (8, 1515240), (9, 1346880), (10, 1212192), (12, 1010160), (15, 808128), (16, 757620), (18, 673440), (20, 606096), (23, 527040), (24, 505080), (27, 448960), (30, 404064), (32, 378810), (36, 336720), (40, 303048), (45, 269376), (46, 263520), (48, 252540), (54, 224480), (60, 202032), (61, 198720), (64, 189405), (69, 175680), (72, 168360), (80, 151524), (90, 134688), (92, 131760), (96, 126270), (108, 112240), (115, 105408), (120, 101016), (122, 99360), (135, 89792), (138, 87840), (144, 84180), (160, 75762), (180, 67344), (183, 66240), (184, 65880), (192, 63135), (207, 58560), (216, 56120), (230, 52704), (240, 50508), (244, 49680), (270, 44896), (276, 43920), (288, 42090), (305, 39744), (320, 37881), (345, 35136), (360, 33672), (366, 33120), (368, 32940), (414, 29280), (432, 28060), (460, 26352), (480, 25254), (488, 24840), (540, 22448), (549, 22080), (552, 21960), (576, 21045), (610, 19872), (621, 19520), (690, 17568), (720, 16836), (732, 16560), (736, 16470), (828, 14640), (864, 14030), (915, 13248), (920, 13176), (960, 12627), (976, 12420), (1035, 11712), (1080, 11224), (1098, 11040), (1104, 10980), (1220, 9936), (1242, 9760), (1380, 8784), (1403, 8640), (1440, 8418), (1464, 8280), (1472, 8235), (1647, 7360), (1656, 7320), (1728, 7015), (1830, 6624), (1840, 6588), (1952, 6210), (2070, 5856), (2160, 5612), (2196, 5520), (2208, 5490), (2440, 4968), (2484, 4880), (2745, 4416), (2760, 4392), (2806, 4320), (2880, 4209), (2928, 4140), (3105, 3904), (3294, 3680), (3312, 3660)]