208139520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:900

約数の個数: 144

約数和(自身を含む): 675501120

約数和(自身を除く): 467361600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 256, 268, 320, 335, 384, 402, 480, 536, 640, 670, 768, 804, 809, 960, 1005, 1072, 1280, 1340, 1608, 1618, 1920, 2010, 2144, 2427, 2680, 3216, 3236, 3840, 4020, 4045, 4288, 4854, 5360, 6432, 6472, 8040, 8090, 8576, 9708, 10720, 12135, 12864, 12944, 16080, 16180, 17152, 19416, 21440, 24270, 25728, 25888, 32160, 32360, 38832, 42880, 48540, 51456, 51776, 54203, 64320, 64720, 77664, 85760, 97080, 103552, 108406, 128640, 129440, 155328, 162609, 194160, 207104, 216812, 257280, 258880, 271015, 310656, 325218, 388320, 433624, 517760, 542030, 621312, 650436, 776640, 813045, 867248, 1035520, 1084060, 1300872, 1553280, 1626090, 1734496, 2168120, 2601744, 3106560, 3252180, 3468992, 4336240, 5203488, 6504360, 6937984, 8672480, 10406976, 13008720, 13875968, 17344960, 20813952, 26017440, 34689920, 41627904, 52034880, 69379840, 104069760, 208139520]

約数ペア:

[(1, 208139520), (2, 104069760), (3, 69379840), (4, 52034880), (5, 41627904), (6, 34689920), (8, 26017440), (10, 20813952), (12, 17344960), (15, 13875968), (16, 13008720), (20, 10406976), (24, 8672480), (30, 6937984), (32, 6504360), (40, 5203488), (48, 4336240), (60, 3468992), (64, 3252180), (67, 3106560), (80, 2601744), (96, 2168120), (120, 1734496), (128, 1626090), (134, 1553280), (160, 1300872), (192, 1084060), (201, 1035520), (240, 867248), (256, 813045), (268, 776640), (320, 650436), (335, 621312), (384, 542030), (402, 517760), (480, 433624), (536, 388320), (640, 325218), (670, 310656), (768, 271015), (804, 258880), (809, 257280), (960, 216812), (1005, 207104), (1072, 194160), (1280, 162609), (1340, 155328), (1608, 129440), (1618, 128640), (1920, 108406), (2010, 103552), (2144, 97080), (2427, 85760), (2680, 77664), (3216, 64720), (3236, 64320), (3840, 54203), (4020, 51776), (4045, 51456), (4288, 48540), (4854, 42880), (5360, 38832), (6432, 32360), (6472, 32160), (8040, 25888), (8090, 25728), (8576, 24270), (9708, 21440), (10720, 19416), (12135, 17152), (12864, 16180), (12944, 16080)]