160845440

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 192

約数和(自身を含む): 468840960

約数和(自身を除く): 307995520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 184, 196, 223, 224, 230, 245, 280, 320, 322, 368, 392, 446, 448, 460, 490, 560, 640, 644, 736, 784, 805, 892, 896, 920, 980, 1115, 1120, 1127, 1288, 1472, 1561, 1568, 1610, 1784, 1840, 1960, 2230, 2240, 2254, 2576, 2944, 3122, 3136, 3220, 3568, 3680, 3920, 4460, 4480, 4508, 5129, 5152, 5635, 6244, 6272, 6440, 7136, 7360, 7805, 7840, 8920, 9016, 10258, 10304, 10927, 11270, 12488, 12880, 14272, 14720, 15610, 15680, 17840, 18032, 20516, 20608, 21854, 22540, 24976, 25645, 25760, 28544, 31220, 31360, 35680, 35903, 36064, 41032, 43708, 45080, 49952, 51290, 51520, 54635, 62440, 71360, 71806, 72128, 82064, 87416, 90160, 99904, 102580, 103040, 109270, 124880, 142720, 143612, 144256, 164128, 174832, 179515, 180320, 199808, 205160, 218540, 249760, 251321, 287224, 328256, 349664, 359030, 360640, 410320, 437080, 499520, 502642, 574448, 656512, 699328, 718060, 721280, 820640, 874160, 999040, 1005284, 1148896, 1256605, 1398656, 1436120, 1641280, 1748320, 2010568, 2297792, 2513210, 2872240, 3282560, 3496640, 4021136, 4595584, 5026420, 5744480, 6993280, 8042272, 10052840, 11488960, 16084544, 20105680, 22977920, 32169088, 40211360, 80422720, 160845440]

約数ペア:

[(1, 160845440), (2, 80422720), (4, 40211360), (5, 32169088), (7, 22977920), (8, 20105680), (10, 16084544), (14, 11488960), (16, 10052840), (20, 8042272), (23, 6993280), (28, 5744480), (32, 5026420), (35, 4595584), (40, 4021136), (46, 3496640), (49, 3282560), (56, 2872240), (64, 2513210), (70, 2297792), (80, 2010568), (92, 1748320), (98, 1641280), (112, 1436120), (115, 1398656), (128, 1256605), (140, 1148896), (160, 1005284), (161, 999040), (184, 874160), (196, 820640), (223, 721280), (224, 718060), (230, 699328), (245, 656512), (280, 574448), (320, 502642), (322, 499520), (368, 437080), (392, 410320), (446, 360640), (448, 359030), (460, 349664), (490, 328256), (560, 287224), (640, 251321), (644, 249760), (736, 218540), (784, 205160), (805, 199808), (892, 180320), (896, 179515), (920, 174832), (980, 164128), (1115, 144256), (1120, 143612), (1127, 142720), (1288, 124880), (1472, 109270), (1561, 103040), (1568, 102580), (1610, 99904), (1784, 90160), (1840, 87416), (1960, 82064), (2230, 72128), (2240, 71806), (2254, 71360), (2576, 62440), (2944, 54635), (3122, 51520), (3136, 51290), (3220, 49952), (3568, 45080), (3680, 43708), (3920, 41032), (4460, 36064), (4480, 35903), (4508, 35680), (5129, 31360), (5152, 31220), (5635, 28544), (6244, 25760), (6272, 25645), (6440, 24976), (7136, 22540), (7360, 21854), (7805, 20608), (7840, 20516), (8920, 18032), (9016, 17840), (10258, 15680), (10304, 15610), (10927, 14720), (11270, 14272), (12488, 12880)]