208546560

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 216

約数和(自身を含む): 740083344

約数和(自身を除く): 531536784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 256, 258, 288, 320, 344, 360, 384, 387, 421, 430, 480, 516, 576, 640, 645, 688, 720, 768, 774, 842, 860, 960, 1032, 1152, 1263, 1280, 1290, 1376, 1440, 1548, 1684, 1720, 1920, 1935, 2064, 2105, 2304, 2526, 2580, 2752, 2880, 3096, 3368, 3440, 3789, 3840, 3870, 4128, 4210, 5052, 5160, 5504, 5760, 6192, 6315, 6736, 6880, 7578, 7740, 8256, 8420, 10104, 10320, 11008, 11520, 12384, 12630, 13472, 13760, 15156, 15480, 16512, 16840, 18103, 18945, 20208, 20640, 24768, 25260, 26944, 27520, 30312, 30960, 33024, 33680, 36206, 37890, 40416, 41280, 49536, 50520, 53888, 54309, 55040, 60624, 61920, 67360, 72412, 75780, 80832, 82560, 90515, 99072, 101040, 107776, 108618, 121248, 123840, 134720, 144824, 151560, 161664, 162927, 165120, 181030, 202080, 217236, 242496, 247680, 269440, 271545, 289648, 303120, 323328, 325854, 362060, 404160, 434472, 484992, 495360, 538880, 543090, 579296, 606240, 651708, 724120, 808320, 814635, 868944, 969984, 1086180, 1158592, 1212480, 1303416, 1448240, 1616640, 1629270, 1737888, 2172360, 2317184, 2424960, 2606832, 2896480, 3258540, 3475776, 4344720, 4634368, 4849920, 5213664, 5792960, 6517080, 6951552, 8689440, 10427328, 11585920, 13034160, 13903104, 17378880, 20854656, 23171840, 26068320, 34757760, 41709312, 52136640, 69515520, 104273280, 208546560]

約数ペア:

[(1, 208546560), (2, 104273280), (3, 69515520), (4, 52136640), (5, 41709312), (6, 34757760), (8, 26068320), (9, 23171840), (10, 20854656), (12, 17378880), (15, 13903104), (16, 13034160), (18, 11585920), (20, 10427328), (24, 8689440), (30, 6951552), (32, 6517080), (36, 5792960), (40, 5213664), (43, 4849920), (45, 4634368), (48, 4344720), (60, 3475776), (64, 3258540), (72, 2896480), (80, 2606832), (86, 2424960), (90, 2317184), (96, 2172360), (120, 1737888), (128, 1629270), (129, 1616640), (144, 1448240), (160, 1303416), (172, 1212480), (180, 1158592), (192, 1086180), (215, 969984), (240, 868944), (256, 814635), (258, 808320), (288, 724120), (320, 651708), (344, 606240), (360, 579296), (384, 543090), (387, 538880), (421, 495360), (430, 484992), (480, 434472), (516, 404160), (576, 362060), (640, 325854), (645, 323328), (688, 303120), (720, 289648), (768, 271545), (774, 269440), (842, 247680), (860, 242496), (960, 217236), (1032, 202080), (1152, 181030), (1263, 165120), (1280, 162927), (1290, 161664), (1376, 151560), (1440, 144824), (1548, 134720), (1684, 123840), (1720, 121248), (1920, 108618), (1935, 107776), (2064, 101040), (2105, 99072), (2304, 90515), (2526, 82560), (2580, 80832), (2752, 75780), (2880, 72412), (3096, 67360), (3368, 61920), (3440, 60624), (3789, 55040), (3840, 54309), (3870, 53888), (4128, 50520), (4210, 49536), (5052, 41280), (5160, 40416), (5504, 37890), (5760, 36206), (6192, 33680), (6315, 33024), (6736, 30960), (6880, 30312), (7578, 27520), (7740, 26944), (8256, 25260), (8420, 24768), (10104, 20640), (10320, 20208), (11008, 18945), (11520, 18103), (12384, 16840), (12630, 16512), (13472, 15480), (13760, 15156)]