2720657520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7603}}^1$

素因数の和:7700

約数の個数: 240

約数和(自身を含む): 10590607872

約数和(自身を除く): 7869950352

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, 71, 72, 80, 84, 90, 105, 112, 120, 126, 140, 142, 144, 168, 180, 210, 213, 240, 252, 280, 284, 315, 336, 355, 360, 420, 426, 497, 504, 560, 568, 630, 639, 710, 720, 840, 852, 994, 1008, 1065, 1136, 1260, 1278, 1420, 1491, 1680, 1704, 1988, 2130, 2485, 2520, 2556, 2840, 2982, 3195, 3408, 3976, 4260, 4473, 4970, 5040, 5112, 5680, 5964, 6390, 7455, 7603, 7952, 8520, 8946, 9940, 10224, 11928, 12780, 14910, 15206, 17040, 17892, 19880, 22365, 22809, 23856, 25560, 29820, 30412, 35784, 38015, 39760, 44730, 45618, 51120, 53221, 59640, 60824, 68427, 71568, 76030, 89460, 91236, 106442, 114045, 119280, 121648, 136854, 152060, 159663, 178920, 182472, 212884, 228090, 266105, 273708, 304120, 319326, 342135, 357840, 364944, 425768, 456180, 478989, 532210, 539813, 547416, 608240, 638652, 684270, 798315, 851536, 912360, 957978, 1064420, 1079626, 1094832, 1277304, 1368540, 1596630, 1619439, 1824720, 1915956, 2128840, 2159252, 2394945, 2554608, 2699065, 2737080, 3193260, 3238878, 3778691, 3831912, 4257680, 4318504, 4789890, 4858317, 5398130, 5474160, 6386520, 6477756, 7557382, 7663824, 8097195, 8637008, 9579780, 9716634, 10796260, 11336073, 12773040, 12955512, 15114764, 16194390, 18893455, 19159560, 19433268, 21592520, 22672146, 24291585, 25911024, 30229528, 32388780, 34008219, 37786910, 38319120, 38866536, 43185040, 45344292, 48583170, 56680365, 60459056, 64777560, 68016438, 75573820, 77733072, 90688584, 97166340, 113360730, 129555120, 136032876, 151147640, 170041095, 181377168, 194332680, 226721460, 272065752, 302295280, 340082190, 388665360, 453442920, 544131504, 680164380, 906885840, 1360328760, 2720657520]

約数ペア:

[(1, 2720657520), (2, 1360328760), (3, 906885840), (4, 680164380), (5, 544131504), (6, 453442920), (7, 388665360), (8, 340082190), (9, 302295280), (10, 272065752), (12, 226721460), (14, 194332680), (15, 181377168), (16, 170041095), (18, 151147640), (20, 136032876), (21, 129555120), (24, 113360730), (28, 97166340), (30, 90688584), (35, 77733072), (36, 75573820), (40, 68016438), (42, 64777560), (45, 60459056), (48, 56680365), (56, 48583170), (60, 45344292), (63, 43185040), (70, 38866536), (71, 38319120), (72, 37786910), (80, 34008219), (84, 32388780), (90, 30229528), (105, 25911024), (112, 24291585), (120, 22672146), (126, 21592520), (140, 19433268), (142, 19159560), (144, 18893455), (168, 16194390), (180, 15114764), (210, 12955512), (213, 12773040), (240, 11336073), (252, 10796260), (280, 9716634), (284, 9579780), (315, 8637008), (336, 8097195), (355, 7663824), (360, 7557382), (420, 6477756), (426, 6386520), (497, 5474160), (504, 5398130), (560, 4858317), (568, 4789890), (630, 4318504), (639, 4257680), (710, 3831912), (720, 3778691), (840, 3238878), (852, 3193260), (994, 2737080), (1008, 2699065), (1065, 2554608), (1136, 2394945), (1260, 2159252), (1278, 2128840), (1420, 1915956), (1491, 1824720), (1680, 1619439), (1704, 1596630), (1988, 1368540), (2130, 1277304), (2485, 1094832), (2520, 1079626), (2556, 1064420), (2840, 957978), (2982, 912360), (3195, 851536), (3408, 798315), (3976, 684270), (4260, 638652), (4473, 608240), (4970, 547416), (5040, 539813), (5112, 532210), (5680, 478989), (5964, 456180), (6390, 425768), (7455, 364944), (7603, 357840), (7952, 342135), (8520, 319326), (8946, 304120), (9940, 273708), (10224, 266105), (11928, 228090), (12780, 212884), (14910, 182472), (15206, 178920), (17040, 159663), (17892, 152060), (19880, 136854), (22365, 121648), (22809, 119280), (23856, 114045), (25560, 106442), (29820, 91236), (30412, 89460), (35784, 76030), (38015, 71568), (39760, 68427), (44730, 60824), (45618, 59640), (51120, 53221)]