1815487520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 384

約数和(自身を含む): 5748019200

約数和(自身を除く): 3932531680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 43, 44, 46, 55, 56, 70, 77, 80, 86, 88, 92, 110, 112, 115, 140, 149, 154, 160, 161, 172, 176, 184, 215, 220, 224, 230, 253, 280, 298, 301, 308, 322, 344, 352, 368, 385, 430, 440, 460, 473, 506, 560, 596, 602, 616, 644, 688, 736, 745, 770, 805, 860, 880, 920, 946, 989, 1012, 1043, 1120, 1192, 1204, 1232, 1265, 1288, 1376, 1490, 1505, 1540, 1610, 1639, 1720, 1760, 1771, 1840, 1892, 1978, 2024, 2086, 2365, 2384, 2408, 2464, 2530, 2576, 2980, 3010, 3080, 3220, 3278, 3311, 3427, 3440, 3542, 3680, 3784, 3956, 4048, 4172, 4730, 4768, 4816, 4945, 5060, 5152, 5215, 5960, 6020, 6160, 6407, 6440, 6556, 6622, 6854, 6880, 6923, 7084, 7568, 7912, 8096, 8195, 8344, 8855, 9460, 9632, 9890, 10120, 10430, 10879, 11473, 11920, 12040, 12320, 12814, 12880, 13112, 13244, 13708, 13846, 14168, 15136, 15824, 16390, 16555, 16688, 17135, 17710, 18920, 19780, 20240, 20860, 21758, 22946, 23840, 23989, 24080, 25628, 25760, 26224, 26488, 27416, 27692, 28336, 31648, 32035, 32780, 33110, 33376, 34270, 34615, 35420, 37697, 37840, 39560, 40480, 41720, 43516, 44849, 45892, 47978, 48160, 51256, 52448, 52976, 54395, 54832, 55384, 56672, 57365, 64070, 65560, 66220, 68540, 69230, 70477, 70840, 75394, 75680, 76153, 79120, 83440, 87032, 89698, 91784, 95956, 102512, 105952, 108790, 109664, 110768, 114730, 119945, 128140, 131120, 132440, 137080, 138460, 140954, 141680, 147361, 150788, 152306, 158240, 166880, 174064, 179396, 183568, 188485, 191912, 205024, 217580, 221536, 224245, 229460, 239890, 256280, 262240, 263879, 264880, 274160, 276920, 281908, 283360, 294722, 301576, 304612, 348128, 352385, 358792, 367136, 376970, 380765, 383824, 435160, 448490, 458920, 479780, 493339, 512560, 527758, 529760, 548320, 553840, 563816, 589444, 603152, 609224, 704770, 717584, 736805, 753940, 761530, 767648, 870320, 896980, 917840, 959560, 986678, 1025120, 1031527, 1055516, 1107680, 1127632, 1178888, 1206304, 1218448, 1319395, 1409540, 1435168, 1473610, 1507880, 1523060, 1620971, 1740640, 1793960, 1835680, 1919120, 1973356, 2063054, 2111032, 2255264, 2357776, 2436896, 2466695, 2638790, 2819080, 2947220, 3015760, 3046120, 3241942, 3587920, 3838240, 3946712, 4126108, 4222064, 4715552, 4933390, 5157635, 5277580, 5638160, 5894440, 6031520, 6092240, 6483884, 7175840, 7893424, 8104855, 8252216, 8444128, 9866780, 10315270, 10555160, 11276320, 11346797, 11788880, 12184480, 12967768, 15786848, 16209710, 16504432, 19733560, 20630540, 21110320, 22693594, 23577760, 25935536, 32419420, 33008864, 39467120, 41261080, 42220640, 45387188, 51871072, 56733985, 64838840, 78934240, 82522160, 90774376, 113467970, 129677680, 165044320, 181548752, 226935940, 259355360, 363097504, 453871880, 907743760, 1815487520]

約数ペア:

[(1, 1815487520), (2, 907743760), (4, 453871880), (5, 363097504), (7, 259355360), (8, 226935940), (10, 181548752), (11, 165044320), (14, 129677680), (16, 113467970), (20, 90774376), (22, 82522160), (23, 78934240), (28, 64838840), (32, 56733985), (35, 51871072), (40, 45387188), (43, 42220640), (44, 41261080), (46, 39467120), (55, 33008864), (56, 32419420), (70, 25935536), (77, 23577760), (80, 22693594), (86, 21110320), (88, 20630540), (92, 19733560), (110, 16504432), (112, 16209710), (115, 15786848), (140, 12967768), (149, 12184480), (154, 11788880), (160, 11346797), (161, 11276320), (172, 10555160), (176, 10315270), (184, 9866780), (215, 8444128), (220, 8252216), (224, 8104855), (230, 7893424), (253, 7175840), (280, 6483884), (298, 6092240), (301, 6031520), (308, 5894440), (322, 5638160), (344, 5277580), (352, 5157635), (368, 4933390), (385, 4715552), (430, 4222064), (440, 4126108), (460, 3946712), (473, 3838240), (506, 3587920), (560, 3241942), (596, 3046120), (602, 3015760), (616, 2947220), (644, 2819080), (688, 2638790), (736, 2466695), (745, 2436896), (770, 2357776), (805, 2255264), (860, 2111032), (880, 2063054), (920, 1973356), (946, 1919120), (989, 1835680), (1012, 1793960), (1043, 1740640), (1120, 1620971), (1192, 1523060), (1204, 1507880), (1232, 1473610), (1265, 1435168), (1288, 1409540), (1376, 1319395), (1490, 1218448), (1505, 1206304), (1540, 1178888), (1610, 1127632), (1639, 1107680), (1720, 1055516), (1760, 1031527), (1771, 1025120), (1840, 986678), (1892, 959560), (1978, 917840), (2024, 896980), (2086, 870320), (2365, 767648), (2384, 761530), (2408, 753940), (2464, 736805), (2530, 717584), (2576, 704770), (2980, 609224), (3010, 603152), (3080, 589444), (3220, 563816), (3278, 553840), (3311, 548320), (3427, 529760), (3440, 527758), (3542, 512560), (3680, 493339), (3784, 479780), (3956, 458920), (4048, 448490), (4172, 435160), (4730, 383824), (4768, 380765), (4816, 376970), (4945, 367136), (5060, 358792), (5152, 352385), (5215, 348128), (5960, 304612), (6020, 301576), (6160, 294722), (6407, 283360), (6440, 281908), (6556, 276920), (6622, 274160), (6854, 264880), (6880, 263879), (6923, 262240), (7084, 256280), (7568, 239890), (7912, 229460), (8096, 224245), (8195, 221536), (8344, 217580), (8855, 205024), (9460, 191912), (9632, 188485), (9890, 183568), (10120, 179396), (10430, 174064), (10879, 166880), (11473, 158240), (11920, 152306), (12040, 150788), (12320, 147361), (12814, 141680), (12880, 140954), (13112, 138460), (13244, 137080), (13708, 132440), (13846, 131120), (14168, 128140), (15136, 119945), (15824, 114730), (16390, 110768), (16555, 109664), (16688, 108790), (17135, 105952), (17710, 102512), (18920, 95956), (19780, 91784), (20240, 89698), (20860, 87032), (21758, 83440), (22946, 79120), (23840, 76153), (23989, 75680), (24080, 75394), (25628, 70840), (25760, 70477), (26224, 69230), (26488, 68540), (27416, 66220), (27692, 65560), (28336, 64070), (31648, 57365), (32035, 56672), (32780, 55384), (33110, 54832), (33376, 54395), (34270, 52976), (34615, 52448), (35420, 51256), (37697, 48160), (37840, 47978), (39560, 45892), (40480, 44849), (41720, 43516)]