199217280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 256

約数和(自身を含む): 689356800

約数和(自身を除く): 490139520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 43, 48, 57, 60, 64, 76, 80, 86, 95, 96, 114, 120, 127, 128, 129, 152, 160, 172, 190, 192, 215, 228, 240, 254, 258, 285, 304, 320, 344, 380, 381, 384, 430, 456, 480, 508, 516, 570, 608, 635, 640, 645, 688, 760, 762, 817, 860, 912, 960, 1016, 1032, 1140, 1216, 1270, 1290, 1376, 1520, 1524, 1634, 1720, 1824, 1905, 1920, 2032, 2064, 2280, 2413, 2432, 2451, 2540, 2580, 2752, 3040, 3048, 3268, 3440, 3648, 3810, 4064, 4085, 4128, 4560, 4826, 4902, 5080, 5160, 5461, 5504, 6080, 6096, 6536, 6880, 7239, 7296, 7620, 8128, 8170, 8256, 9120, 9652, 9804, 10160, 10320, 10922, 12065, 12160, 12192, 12255, 13072, 13760, 14478, 15240, 16256, 16340, 16383, 16512, 18240, 19304, 19608, 20320, 20640, 21844, 24130, 24384, 24510, 26144, 27305, 27520, 28956, 30480, 32680, 32766, 36195, 36480, 38608, 39216, 40640, 41280, 43688, 48260, 48768, 49020, 52288, 54610, 57912, 60960, 65360, 65532, 72390, 77216, 78432, 81280, 81915, 82560, 87376, 96520, 98040, 103759, 104576, 109220, 115824, 121920, 130720, 131064, 144780, 154432, 156864, 163830, 174752, 193040, 196080, 207518, 218440, 231648, 243840, 261440, 262128, 289560, 308864, 311277, 313728, 327660, 349504, 386080, 392160, 415036, 436880, 463296, 518795, 522880, 524256, 579120, 622554, 655320, 699008, 772160, 784320, 830072, 873760, 926592, 1037590, 1048512, 1158240, 1245108, 1310640, 1544320, 1556385, 1568640, 1660144, 1747520, 2075180, 2097024, 2316480, 2490216, 2621280, 3112770, 3320288, 3495040, 4150360, 4632960, 4980432, 5242560, 6225540, 6640576, 8300720, 9960864, 10485120, 12451080, 13281152, 16601440, 19921728, 24902160, 33202880, 39843456, 49804320, 66405760, 99608640, 199217280]

約数ペア:

[(1, 199217280), (2, 99608640), (3, 66405760), (4, 49804320), (5, 39843456), (6, 33202880), (8, 24902160), (10, 19921728), (12, 16601440), (15, 13281152), (16, 12451080), (19, 10485120), (20, 9960864), (24, 8300720), (30, 6640576), (32, 6225540), (38, 5242560), (40, 4980432), (43, 4632960), (48, 4150360), (57, 3495040), (60, 3320288), (64, 3112770), (76, 2621280), (80, 2490216), (86, 2316480), (95, 2097024), (96, 2075180), (114, 1747520), (120, 1660144), (127, 1568640), (128, 1556385), (129, 1544320), (152, 1310640), (160, 1245108), (172, 1158240), (190, 1048512), (192, 1037590), (215, 926592), (228, 873760), (240, 830072), (254, 784320), (258, 772160), (285, 699008), (304, 655320), (320, 622554), (344, 579120), (380, 524256), (381, 522880), (384, 518795), (430, 463296), (456, 436880), (480, 415036), (508, 392160), (516, 386080), (570, 349504), (608, 327660), (635, 313728), (640, 311277), (645, 308864), (688, 289560), (760, 262128), (762, 261440), (817, 243840), (860, 231648), (912, 218440), (960, 207518), (1016, 196080), (1032, 193040), (1140, 174752), (1216, 163830), (1270, 156864), (1290, 154432), (1376, 144780), (1520, 131064), (1524, 130720), (1634, 121920), (1720, 115824), (1824, 109220), (1905, 104576), (1920, 103759), (2032, 98040), (2064, 96520), (2280, 87376), (2413, 82560), (2432, 81915), (2451, 81280), (2540, 78432), (2580, 77216), (2752, 72390), (3040, 65532), (3048, 65360), (3268, 60960), (3440, 57912), (3648, 54610), (3810, 52288), (4064, 49020), (4085, 48768), (4128, 48260), (4560, 43688), (4826, 41280), (4902, 40640), (5080, 39216), (5160, 38608), (5461, 36480), (5504, 36195), (6080, 32766), (6096, 32680), (6536, 30480), (6880, 28956), (7239, 27520), (7296, 27305), (7620, 26144), (8128, 24510), (8170, 24384), (8256, 24130), (9120, 21844), (9652, 20640), (9804, 20320), (10160, 19608), (10320, 19304), (10922, 18240), (12065, 16512), (12160, 16383), (12192, 16340), (12255, 16256), (13072, 15240), (13760, 14478)]