215139840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:392

約数の個数: 160

約数和(自身を含む): 696785760

約数和(自身を除く): 481645920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 128, 160, 192, 218, 240, 256, 257, 320, 327, 384, 436, 480, 512, 514, 545, 640, 654, 768, 771, 872, 960, 1028, 1090, 1280, 1285, 1308, 1536, 1542, 1635, 1744, 1920, 2056, 2180, 2560, 2570, 2616, 3084, 3270, 3488, 3840, 3855, 4112, 4360, 5140, 5232, 6168, 6540, 6976, 7680, 7710, 8224, 8720, 10280, 10464, 12336, 13080, 13952, 15420, 16448, 17440, 20560, 20928, 24672, 26160, 27904, 28013, 30840, 32896, 34880, 41120, 41856, 49344, 52320, 55808, 56026, 61680, 65792, 69760, 82240, 83712, 84039, 98688, 104640, 112052, 123360, 131584, 139520, 140065, 164480, 167424, 168078, 197376, 209280, 224104, 246720, 279040, 280130, 328960, 336156, 394752, 418560, 420195, 448208, 493440, 560260, 657920, 672312, 837120, 840390, 896416, 986880, 1120520, 1344624, 1680780, 1792832, 1973760, 2241040, 2689248, 3361560, 3585664, 4482080, 5378496, 6723120, 7171328, 8964160, 10756992, 13446240, 14342656, 17928320, 21513984, 26892480, 35856640, 43027968, 53784960, 71713280, 107569920, 215139840]

約数ペア:

[(1, 215139840), (2, 107569920), (3, 71713280), (4, 53784960), (5, 43027968), (6, 35856640), (8, 26892480), (10, 21513984), (12, 17928320), (15, 14342656), (16, 13446240), (20, 10756992), (24, 8964160), (30, 7171328), (32, 6723120), (40, 5378496), (48, 4482080), (60, 3585664), (64, 3361560), (80, 2689248), (96, 2241040), (109, 1973760), (120, 1792832), (128, 1680780), (160, 1344624), (192, 1120520), (218, 986880), (240, 896416), (256, 840390), (257, 837120), (320, 672312), (327, 657920), (384, 560260), (436, 493440), (480, 448208), (512, 420195), (514, 418560), (545, 394752), (640, 336156), (654, 328960), (768, 280130), (771, 279040), (872, 246720), (960, 224104), (1028, 209280), (1090, 197376), (1280, 168078), (1285, 167424), (1308, 164480), (1536, 140065), (1542, 139520), (1635, 131584), (1744, 123360), (1920, 112052), (2056, 104640), (2180, 98688), (2560, 84039), (2570, 83712), (2616, 82240), (3084, 69760), (3270, 65792), (3488, 61680), (3840, 56026), (3855, 55808), (4112, 52320), (4360, 49344), (5140, 41856), (5232, 41120), (6168, 34880), (6540, 32896), (6976, 30840), (7680, 28013), (7710, 27904), (8224, 26160), (8720, 24672), (10280, 20928), (10464, 20560), (12336, 17440), (13080, 16448), (13952, 15420)]