19992021840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{4523}}^1$

素因数の和:5426

約数の個数: 240

約数和(自身を含む): 76835760768

約数和(自身を除く): 56843738928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 877, 1008, 1260, 1680, 1754, 2520, 2631, 3508, 4385, 4523, 5040, 5262, 6139, 7016, 7893, 8770, 9046, 10524, 12278, 13155, 13569, 14032, 15786, 17540, 18092, 18417, 21048, 22615, 24556, 26310, 27138, 30695, 31572, 31661, 35080, 36184, 36834, 39465, 40707, 42096, 45230, 49112, 52620, 54276, 55251, 61390, 63144, 63322, 67845, 70160, 72368, 73668, 78930, 81414, 90460, 92085, 94983, 98224, 105240, 108552, 110502, 122780, 126288, 126644, 135690, 147336, 157860, 158305, 162828, 180920, 184170, 189966, 203535, 210480, 217104, 221004, 245560, 253288, 271380, 276255, 284949, 294672, 315720, 316610, 325656, 361840, 368340, 379932, 407070, 442008, 474915, 491120, 506576, 542760, 552510, 569898, 631440, 633220, 651312, 736680, 759864, 814140, 884016, 949830, 1085520, 1105020, 1139796, 1266440, 1424745, 1473360, 1519728, 1628280, 1899660, 2210040, 2279592, 2532880, 2849490, 3256560, 3799320, 3966671, 4420080, 4559184, 5698980, 7598640, 7933342, 11397960, 11900013, 15866684, 19833355, 22795920, 23800026, 27766697, 31733368, 35700039, 39666710, 47600052, 55533394, 59500065, 63466736, 71400078, 79333420, 83300091, 95200104, 111066788, 119000130, 138833485, 142800156, 158666840, 166600182, 178500195, 190400208, 222133576, 238000260, 249900273, 277666970, 285600312, 317333680, 333200364, 357000390, 416500455, 444267152, 476000520, 499800546, 555333940, 571200624, 666400728, 714000780, 833000910, 952001040, 999601092, 1110667880, 1249501365, 1332801456, 1428001560, 1666001820, 1999202184, 2221335760, 2499002730, 2856003120, 3332003640, 3998404368, 4998005460, 6664007280, 9996010920, 19992021840]

約数ペア:

[(1, 19992021840), (2, 9996010920), (3, 6664007280), (4, 4998005460), (5, 3998404368), (6, 3332003640), (7, 2856003120), (8, 2499002730), (9, 2221335760), (10, 1999202184), (12, 1666001820), (14, 1428001560), (15, 1332801456), (16, 1249501365), (18, 1110667880), (20, 999601092), (21, 952001040), (24, 833000910), (28, 714000780), (30, 666400728), (35, 571200624), (36, 555333940), (40, 499800546), (42, 476000520), (45, 444267152), (48, 416500455), (56, 357000390), (60, 333200364), (63, 317333680), (70, 285600312), (72, 277666970), (80, 249900273), (84, 238000260), (90, 222133576), (105, 190400208), (112, 178500195), (120, 166600182), (126, 158666840), (140, 142800156), (144, 138833485), (168, 119000130), (180, 111066788), (210, 95200104), (240, 83300091), (252, 79333420), (280, 71400078), (315, 63466736), (336, 59500065), (360, 55533394), (420, 47600052), (504, 39666710), (560, 35700039), (630, 31733368), (720, 27766697), (840, 23800026), (877, 22795920), (1008, 19833355), (1260, 15866684), (1680, 11900013), (1754, 11397960), (2520, 7933342), (2631, 7598640), (3508, 5698980), (4385, 4559184), (4523, 4420080), (5040, 3966671), (5262, 3799320), (6139, 3256560), (7016, 2849490), (7893, 2532880), (8770, 2279592), (9046, 2210040), (10524, 1899660), (12278, 1628280), (13155, 1519728), (13569, 1473360), (14032, 1424745), (15786, 1266440), (17540, 1139796), (18092, 1105020), (18417, 1085520), (21048, 949830), (22615, 884016), (24556, 814140), (26310, 759864), (27138, 736680), (30695, 651312), (31572, 633220), (31661, 631440), (35080, 569898), (36184, 552510), (36834, 542760), (39465, 506576), (40707, 491120), (42096, 474915), (45230, 442008), (49112, 407070), (52620, 379932), (54276, 368340), (55251, 361840), (61390, 325656), (63144, 316610), (63322, 315720), (67845, 294672), (70160, 284949), (72368, 276255), (73668, 271380), (78930, 253288), (81414, 245560), (90460, 221004), (92085, 217104), (94983, 210480), (98224, 203535), (105240, 189966), (108552, 184170), (110502, 180920), (122780, 162828), (126288, 158305), (126644, 157860), (135690, 147336)]