19800424320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{577}}^1$

素因数の和:953

約数の個数: 256

約数和(自身を含む): 64478998080

約数和(自身を除く): 44678573760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 293, 305, 320, 366, 384, 480, 488, 577, 586, 610, 640, 732, 879, 915, 960, 976, 1154, 1172, 1220, 1464, 1465, 1731, 1758, 1830, 1920, 1952, 2308, 2344, 2440, 2885, 2928, 2930, 3462, 3516, 3660, 3904, 4395, 4616, 4688, 4880, 5770, 5856, 5860, 6924, 7032, 7320, 7808, 8655, 8790, 9232, 9376, 9760, 11540, 11712, 11720, 13848, 14064, 14640, 17310, 17580, 17873, 18464, 18752, 19520, 23080, 23424, 23440, 27696, 28128, 29280, 34620, 35160, 35197, 35746, 36928, 37504, 39040, 46160, 46880, 53619, 55392, 56256, 58560, 69240, 70320, 70394, 71492, 73856, 89365, 92320, 93760, 105591, 107238, 110784, 112512, 117120, 138480, 140640, 140788, 142984, 169061, 175985, 178730, 184640, 187520, 211182, 214476, 221568, 268095, 276960, 281280, 281576, 285968, 338122, 351970, 357460, 369280, 422364, 428952, 507183, 527955, 536190, 553920, 562560, 563152, 571936, 676244, 703940, 714920, 844728, 845305, 857904, 1014366, 1055910, 1072380, 1107840, 1126304, 1143872, 1352488, 1407880, 1429840, 1689456, 1690610, 1715808, 2028732, 2111820, 2144760, 2252608, 2287744, 2535915, 2704976, 2815760, 2859680, 3378912, 3381220, 3431616, 4057464, 4223640, 4289520, 4505216, 5071830, 5409952, 5631520, 5719360, 6757824, 6762440, 6863232, 8114928, 8447280, 8579040, 10143660, 10312721, 10819904, 11263040, 11438720, 13515648, 13524880, 16229856, 16894560, 17158080, 20287320, 20625442, 21639808, 22526080, 27049760, 30938163, 32459712, 33789120, 34316160, 40574640, 41250884, 51563605, 54099520, 61876326, 64919424, 67578240, 81149280, 82501768, 103127210, 108199040, 123752652, 154690815, 162298560, 165003536, 206254420, 247505304, 309381630, 324597120, 330007072, 412508840, 495010608, 618763260, 660014144, 825017680, 990021216, 1237526520, 1320028288, 1650035360, 1980042432, 2475053040, 3300070720, 3960084864, 4950106080, 6600141440, 9900212160, 19800424320]

約数ペア:

[(1, 19800424320), (2, 9900212160), (3, 6600141440), (4, 4950106080), (5, 3960084864), (6, 3300070720), (8, 2475053040), (10, 1980042432), (12, 1650035360), (15, 1320028288), (16, 1237526520), (20, 990021216), (24, 825017680), (30, 660014144), (32, 618763260), (40, 495010608), (48, 412508840), (60, 330007072), (61, 324597120), (64, 309381630), (80, 247505304), (96, 206254420), (120, 165003536), (122, 162298560), (128, 154690815), (160, 123752652), (183, 108199040), (192, 103127210), (240, 82501768), (244, 81149280), (293, 67578240), (305, 64919424), (320, 61876326), (366, 54099520), (384, 51563605), (480, 41250884), (488, 40574640), (577, 34316160), (586, 33789120), (610, 32459712), (640, 30938163), (732, 27049760), (879, 22526080), (915, 21639808), (960, 20625442), (976, 20287320), (1154, 17158080), (1172, 16894560), (1220, 16229856), (1464, 13524880), (1465, 13515648), (1731, 11438720), (1758, 11263040), (1830, 10819904), (1920, 10312721), (1952, 10143660), (2308, 8579040), (2344, 8447280), (2440, 8114928), (2885, 6863232), (2928, 6762440), (2930, 6757824), (3462, 5719360), (3516, 5631520), (3660, 5409952), (3904, 5071830), (4395, 4505216), (4616, 4289520), (4688, 4223640), (4880, 4057464), (5770, 3431616), (5856, 3381220), (5860, 3378912), (6924, 2859680), (7032, 2815760), (7320, 2704976), (7808, 2535915), (8655, 2287744), (8790, 2252608), (9232, 2144760), (9376, 2111820), (9760, 2028732), (11540, 1715808), (11712, 1690610), (11720, 1689456), (13848, 1429840), (14064, 1407880), (14640, 1352488), (17310, 1143872), (17580, 1126304), (17873, 1107840), (18464, 1072380), (18752, 1055910), (19520, 1014366), (23080, 857904), (23424, 845305), (23440, 844728), (27696, 714920), (28128, 703940), (29280, 676244), (34620, 571936), (35160, 563152), (35197, 562560), (35746, 553920), (36928, 536190), (37504, 527955), (39040, 507183), (46160, 428952), (46880, 422364), (53619, 369280), (55392, 357460), (56256, 351970), (58560, 338122), (69240, 285968), (70320, 281576), (70394, 281280), (71492, 276960), (73856, 268095), (89365, 221568), (92320, 214476), (93760, 211182), (105591, 187520), (107238, 184640), (110784, 178730), (112512, 175985), (117120, 169061), (138480, 142984), (140640, 140788)]