1688001280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8191}}^1$

素因数の和:8242

約数の個数: 144

約数和(自身を含む): 4822401024

約数和(自身を除く): 3134399744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1280, 1288, 1472, 1610, 1792, 1840, 2240, 2576, 2944, 3220, 3680, 4480, 5152, 5888, 6440, 7360, 8191, 8960, 10304, 12880, 14720, 16382, 20608, 25760, 29440, 32764, 40955, 41216, 51520, 57337, 65528, 81910, 103040, 114674, 131056, 163820, 188393, 206080, 229348, 262112, 286685, 327640, 376786, 458696, 524224, 573370, 655280, 753572, 917392, 941965, 1048448, 1146740, 1310560, 1318751, 1507144, 1834784, 1883930, 2096896, 2293480, 2621120, 2637502, 3014288, 3669568, 3767860, 4586960, 5242240, 5275004, 6028576, 6593755, 7339136, 7535720, 9173920, 10484480, 10550008, 12057152, 13187510, 14678272, 15071440, 18347840, 21100016, 24114304, 26375020, 30142880, 36695680, 42200032, 48228608, 52750040, 60285760, 73391360, 84400064, 105500080, 120571520, 168800128, 211000160, 241143040, 337600256, 422000320, 844000640, 1688001280]

約数ペア:

[(1, 1688001280), (2, 844000640), (4, 422000320), (5, 337600256), (7, 241143040), (8, 211000160), (10, 168800128), (14, 120571520), (16, 105500080), (20, 84400064), (23, 73391360), (28, 60285760), (32, 52750040), (35, 48228608), (40, 42200032), (46, 36695680), (56, 30142880), (64, 26375020), (70, 24114304), (80, 21100016), (92, 18347840), (112, 15071440), (115, 14678272), (128, 13187510), (140, 12057152), (160, 10550008), (161, 10484480), (184, 9173920), (224, 7535720), (230, 7339136), (256, 6593755), (280, 6028576), (320, 5275004), (322, 5242240), (368, 4586960), (448, 3767860), (460, 3669568), (560, 3014288), (640, 2637502), (644, 2621120), (736, 2293480), (805, 2096896), (896, 1883930), (920, 1834784), (1120, 1507144), (1280, 1318751), (1288, 1310560), (1472, 1146740), (1610, 1048448), (1792, 941965), (1840, 917392), (2240, 753572), (2576, 655280), (2944, 573370), (3220, 524224), (3680, 458696), (4480, 376786), (5152, 327640), (5888, 286685), (6440, 262112), (7360, 229348), (8191, 206080), (8960, 188393), (10304, 163820), (12880, 131056), (14720, 114674), (16382, 103040), (20608, 81910), (25760, 65528), (29440, 57337), (32764, 51520), (40955, 41216)]