20804484404640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1\times {\mathrm{640529}}^1$

素因数の和:641135

約数の個数: 192

約数和(自身を含む): 66104663708160

約数和(自身を除く): 45300179303520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 157, 160, 240, 314, 431, 471, 480, 628, 785, 862, 942, 1256, 1293, 1570, 1724, 1884, 2155, 2355, 2512, 2586, 3140, 3448, 3768, 4310, 4710, 5024, 5172, 6280, 6465, 6896, 7536, 8620, 9420, 10344, 12560, 12930, 13792, 15072, 17240, 18840, 20688, 25120, 25860, 34480, 37680, 41376, 51720, 67667, 68960, 75360, 103440, 135334, 203001, 206880, 270668, 338335, 406002, 541336, 640529, 676670, 812004, 1015005, 1082672, 1281058, 1353340, 1624008, 1921587, 2030010, 2165344, 2562116, 2706680, 3202645, 3248016, 3843174, 4060020, 5124232, 5413360, 6405290, 6496032, 7686348, 8120040, 9607935, 10248464, 10826720, 12810580, 15372696, 16240080, 19215870, 20496928, 25621160, 30745392, 32480160, 38431740, 51242320, 61490784, 76863480, 100563053, 102484640, 153726960, 201126106, 276067999, 301689159, 307453920, 402252212, 502815265, 552135998, 603378318, 804504424, 828203997, 1005630530, 1104271996, 1206756636, 1380339995, 1508445795, 1609008848, 1656407994, 2011261060, 2208543992, 2413513272, 2760679990, 3016891590, 3218017696, 3312815988, 4022522120, 4141019985, 4417087984, 4827026544, 5521359980, 6033783180, 6625631976, 8045044240, 8282039970, 8834175968, 9654053088, 11042719960, 12067566360, 13251263952, 16090088480, 16564079940, 22085439920, 24135132720, 26502527904, 33128159880, 43342675843, 44170879840, 48270265440, 66256319760, 86685351686, 130028027529, 132512639520, 173370703372, 216713379215, 260056055058, 346741406744, 433426758430, 520112110116, 650140137645, 693482813488, 866853516860, 1040224220232, 1300280275290, 1386965626976, 1733707033720, 2080448440464, 2600560550580, 3467414067440, 4160896880928, 5201121101160, 6934828134880, 10402242202320, 20804484404640]

約数ペア:

[(1, 20804484404640), (2, 10402242202320), (3, 6934828134880), (4, 5201121101160), (5, 4160896880928), (6, 3467414067440), (8, 2600560550580), (10, 2080448440464), (12, 1733707033720), (15, 1386965626976), (16, 1300280275290), (20, 1040224220232), (24, 866853516860), (30, 693482813488), (32, 650140137645), (40, 520112110116), (48, 433426758430), (60, 346741406744), (80, 260056055058), (96, 216713379215), (120, 173370703372), (157, 132512639520), (160, 130028027529), (240, 86685351686), (314, 66256319760), (431, 48270265440), (471, 44170879840), (480, 43342675843), (628, 33128159880), (785, 26502527904), (862, 24135132720), (942, 22085439920), (1256, 16564079940), (1293, 16090088480), (1570, 13251263952), (1724, 12067566360), (1884, 11042719960), (2155, 9654053088), (2355, 8834175968), (2512, 8282039970), (2586, 8045044240), (3140, 6625631976), (3448, 6033783180), (3768, 5521359980), (4310, 4827026544), (4710, 4417087984), (5024, 4141019985), (5172, 4022522120), (6280, 3312815988), (6465, 3218017696), (6896, 3016891590), (7536, 2760679990), (8620, 2413513272), (9420, 2208543992), (10344, 2011261060), (12560, 1656407994), (12930, 1609008848), (13792, 1508445795), (15072, 1380339995), (17240, 1206756636), (18840, 1104271996), (20688, 1005630530), (25120, 828203997), (25860, 804504424), (34480, 603378318), (37680, 552135998), (41376, 502815265), (51720, 402252212), (67667, 307453920), (68960, 301689159), (75360, 276067999), (103440, 201126106), (135334, 153726960), (203001, 102484640), (206880, 100563053), (270668, 76863480), (338335, 61490784), (406002, 51242320), (541336, 38431740), (640529, 32480160), (676670, 30745392), (812004, 25621160), (1015005, 20496928), (1082672, 19215870), (1281058, 16240080), (1353340, 15372696), (1624008, 12810580), (1921587, 10826720), (2030010, 10248464), (2165344, 9607935), (2562116, 8120040), (2706680, 7686348), (3202645, 6496032), (3248016, 6405290), (3843174, 5413360), (4060020, 5124232)]