20784525120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{613}}^1$

素因数の和:890

約数の個数: 336

約数和(自身を含む): 73157711952

約数和(自身を除く): 52373186832

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, 61, 64, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 192, 193, 240, 244, 288, 305, 320, 360, 366, 386, 480, 488, 549, 576, 579, 610, 613, 720, 732, 772, 915, 960, 965, 976, 1098, 1158, 1220, 1226, 1440, 1464, 1544, 1737, 1830, 1839, 1930, 1952, 2196, 2316, 2440, 2452, 2745, 2880, 2895, 2928, 3065, 3088, 3474, 3660, 3678, 3860, 3904, 4392, 4632, 4880, 4904, 5490, 5517, 5790, 5856, 6130, 6176, 6948, 7320, 7356, 7720, 8685, 8784, 9195, 9264, 9760, 9808, 10980, 11034, 11580, 11712, 11773, 12260, 12352, 13896, 14640, 14712, 15440, 17370, 17568, 18390, 18528, 19520, 19616, 21960, 22068, 23160, 23546, 24520, 27585, 27792, 29280, 29424, 30880, 34740, 35136, 35319, 36780, 37056, 37393, 39232, 43920, 44136, 46320, 47092, 49040, 55170, 55584, 58560, 58848, 58865, 61760, 69480, 70638, 73560, 74786, 87840, 88272, 92640, 94184, 98080, 105957, 110340, 111168, 112179, 117696, 117730, 118309, 138960, 141276, 147120, 149572, 175680, 176544, 176595, 185280, 186965, 188368, 196160, 211914, 220680, 224358, 235460, 236618, 277920, 282552, 294240, 299144, 336537, 353088, 353190, 354927, 373930, 376736, 423828, 441360, 448716, 470920, 473236, 529785, 555840, 560895, 565104, 588480, 591545, 598288, 673074, 706380, 709854, 747860, 753472, 847656, 882720, 897432, 941840, 946472, 1059570, 1064781, 1121790, 1130208, 1183090, 1196576, 1346148, 1412760, 1419708, 1495720, 1682685, 1695312, 1765440, 1774635, 1794864, 1883680, 1892944, 2119140, 2129562, 2243580, 2260416, 2366180, 2393152, 2692296, 2825520, 2839416, 2991440, 3365370, 3390624, 3549270, 3589728, 3767360, 3785888, 4238280, 4259124, 4487160, 4732360, 5323905, 5384592, 5651040, 5678832, 5982880, 6730740, 6781248, 7098540, 7179456, 7216849, 7571776, 8476560, 8518248, 8974320, 9464720, 10647810, 10769184, 11302080, 11357664, 11965760, 13461480, 14197080, 14433698, 16953120, 17036496, 17948640, 18929440, 21295620, 21538368, 21650547, 22715328, 26922960, 28394160, 28867396, 33906240, 34072992, 35897280, 36084245, 37858880, 42591240, 43301094, 53845920, 56788320, 57734792, 64951641, 68145984, 72168490, 85182480, 86602188, 107691840, 108252735, 113576640, 115469584, 129903282, 144336980, 170364960, 173204376, 216505470, 230939168, 259806564, 288673960, 324758205, 340729920, 346408752, 433010940, 461878336, 519613128, 577347920, 649516410, 692817504, 866021880, 1039226256, 1154695840, 1299032820, 1385635008, 1732043760, 2078452512, 2309391680, 2598065640, 3464087520, 4156905024, 5196131280, 6928175040, 10392262560, 20784525120]

約数ペア:

[(1, 20784525120), (2, 10392262560), (3, 6928175040), (4, 5196131280), (5, 4156905024), (6, 3464087520), (8, 2598065640), (9, 2309391680), (10, 2078452512), (12, 1732043760), (15, 1385635008), (16, 1299032820), (18, 1154695840), (20, 1039226256), (24, 866021880), (30, 692817504), (32, 649516410), (36, 577347920), (40, 519613128), (45, 461878336), (48, 433010940), (60, 346408752), (61, 340729920), (64, 324758205), (72, 288673960), (80, 259806564), (90, 230939168), (96, 216505470), (120, 173204376), (122, 170364960), (144, 144336980), (160, 129903282), (180, 115469584), (183, 113576640), (192, 108252735), (193, 107691840), (240, 86602188), (244, 85182480), (288, 72168490), (305, 68145984), (320, 64951641), (360, 57734792), (366, 56788320), (386, 53845920), (480, 43301094), (488, 42591240), (549, 37858880), (576, 36084245), (579, 35897280), (610, 34072992), (613, 33906240), (720, 28867396), (732, 28394160), (772, 26922960), (915, 22715328), (960, 21650547), (965, 21538368), (976, 21295620), (1098, 18929440), (1158, 17948640), (1220, 17036496), (1226, 16953120), (1440, 14433698), (1464, 14197080), (1544, 13461480), (1737, 11965760), (1830, 11357664), (1839, 11302080), (1930, 10769184), (1952, 10647810), (2196, 9464720), (2316, 8974320), (2440, 8518248), (2452, 8476560), (2745, 7571776), (2880, 7216849), (2895, 7179456), (2928, 7098540), (3065, 6781248), (3088, 6730740), (3474, 5982880), (3660, 5678832), (3678, 5651040), (3860, 5384592), (3904, 5323905), (4392, 4732360), (4632, 4487160), (4880, 4259124), (4904, 4238280), (5490, 3785888), (5517, 3767360), (5790, 3589728), (5856, 3549270), (6130, 3390624), (6176, 3365370), (6948, 2991440), (7320, 2839416), (7356, 2825520), (7720, 2692296), (8685, 2393152), (8784, 2366180), (9195, 2260416), (9264, 2243580), (9760, 2129562), (9808, 2119140), (10980, 1892944), (11034, 1883680), (11580, 1794864), (11712, 1774635), (11773, 1765440), (12260, 1695312), (12352, 1682685), (13896, 1495720), (14640, 1419708), (14712, 1412760), (15440, 1346148), (17370, 1196576), (17568, 1183090), (18390, 1130208), (18528, 1121790), (19520, 1064781), (19616, 1059570), (21960, 946472), (22068, 941840), (23160, 897432), (23546, 882720), (24520, 847656), (27585, 753472), (27792, 747860), (29280, 709854), (29424, 706380), (30880, 673074), (34740, 598288), (35136, 591545), (35319, 588480), (36780, 565104), (37056, 560895), (37393, 555840), (39232, 529785), (43920, 473236), (44136, 470920), (46320, 448716), (47092, 441360), (49040, 423828), (55170, 376736), (55584, 373930), (58560, 354927), (58848, 353190), (58865, 353088), (61760, 336537), (69480, 299144), (70638, 294240), (73560, 282552), (74786, 277920), (87840, 236618), (88272, 235460), (92640, 224358), (94184, 220680), (98080, 211914), (105957, 196160), (110340, 188368), (111168, 186965), (112179, 185280), (117696, 176595), (117730, 176544), (118309, 175680), (138960, 149572), (141276, 147120)]