161354880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:391

約数の個数: 192

約数和(自身を含む): 564478200

約数和(自身を除く): 403123320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 109, 120, 128, 144, 160, 180, 192, 218, 240, 257, 288, 320, 327, 360, 384, 436, 480, 514, 545, 576, 640, 654, 720, 771, 872, 960, 981, 1028, 1090, 1152, 1285, 1308, 1440, 1542, 1635, 1744, 1920, 1962, 2056, 2180, 2313, 2570, 2616, 2880, 3084, 3270, 3488, 3855, 3924, 4112, 4360, 4626, 4905, 5140, 5232, 5760, 6168, 6540, 6976, 7710, 7848, 8224, 8720, 9252, 9810, 10280, 10464, 11565, 12336, 13080, 13952, 15420, 15696, 16448, 17440, 18504, 19620, 20560, 20928, 23130, 24672, 26160, 28013, 30840, 31392, 32896, 34880, 37008, 39240, 41120, 41856, 46260, 49344, 52320, 56026, 61680, 62784, 69760, 74016, 78480, 82240, 84039, 92520, 98688, 104640, 112052, 123360, 125568, 140065, 148032, 156960, 164480, 168078, 185040, 209280, 224104, 246720, 252117, 280130, 296064, 313920, 336156, 370080, 420195, 448208, 493440, 504234, 560260, 627840, 672312, 740160, 840390, 896416, 1008468, 1120520, 1260585, 1344624, 1480320, 1680780, 1792832, 2016936, 2241040, 2521170, 2689248, 3361560, 3585664, 4033872, 4482080, 5042340, 5378496, 6723120, 8067744, 8964160, 10084680, 10756992, 13446240, 16135488, 17928320, 20169360, 26892480, 32270976, 40338720, 53784960, 80677440, 161354880]

約数ペア:

[(1, 161354880), (2, 80677440), (3, 53784960), (4, 40338720), (5, 32270976), (6, 26892480), (8, 20169360), (9, 17928320), (10, 16135488), (12, 13446240), (15, 10756992), (16, 10084680), (18, 8964160), (20, 8067744), (24, 6723120), (30, 5378496), (32, 5042340), (36, 4482080), (40, 4033872), (45, 3585664), (48, 3361560), (60, 2689248), (64, 2521170), (72, 2241040), (80, 2016936), (90, 1792832), (96, 1680780), (109, 1480320), (120, 1344624), (128, 1260585), (144, 1120520), (160, 1008468), (180, 896416), (192, 840390), (218, 740160), (240, 672312), (257, 627840), (288, 560260), (320, 504234), (327, 493440), (360, 448208), (384, 420195), (436, 370080), (480, 336156), (514, 313920), (545, 296064), (576, 280130), (640, 252117), (654, 246720), (720, 224104), (771, 209280), (872, 185040), (960, 168078), (981, 164480), (1028, 156960), (1090, 148032), (1152, 140065), (1285, 125568), (1308, 123360), (1440, 112052), (1542, 104640), (1635, 98688), (1744, 92520), (1920, 84039), (1962, 82240), (2056, 78480), (2180, 74016), (2313, 69760), (2570, 62784), (2616, 61680), (2880, 56026), (3084, 52320), (3270, 49344), (3488, 46260), (3855, 41856), (3924, 41120), (4112, 39240), (4360, 37008), (4626, 34880), (4905, 32896), (5140, 31392), (5232, 30840), (5760, 28013), (6168, 26160), (6540, 24672), (6976, 23130), (7710, 20928), (7848, 20560), (8224, 19620), (8720, 18504), (9252, 17440), (9810, 16448), (10280, 15696), (10464, 15420), (11565, 13952), (12336, 13080)]