1230718720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12487}}^1$

素因数の和:12526

約数の個数: 144

約数和(自身を含む): 3675667968

約数和(自身を除く): 2444949248

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2240, 2464, 2816, 3080, 3520, 4480, 4928, 6160, 7040, 8960, 9856, 12320, 12487, 14080, 19712, 24640, 24974, 49280, 49948, 62435, 87409, 98560, 99896, 124870, 137357, 174818, 199792, 249740, 274714, 349636, 399584, 437045, 499480, 549428, 686785, 699272, 799168, 874090, 961499, 998960, 1098856, 1373570, 1398544, 1598336, 1748180, 1922998, 1997920, 2197712, 2747140, 2797088, 3196672, 3496360, 3845996, 3995840, 4395424, 4807495, 5494280, 5594176, 6992720, 7691992, 7991680, 8790848, 9614990, 10988560, 11188352, 13985440, 15383984, 15983360, 17581696, 19229980, 21977120, 22376704, 27970880, 30767968, 35163392, 38459960, 43954240, 55941760, 61535936, 76919920, 87908480, 111883520, 123071872, 153839840, 175816960, 246143744, 307679680, 615359360, 1230718720]

約数ペア:

[(1, 1230718720), (2, 615359360), (4, 307679680), (5, 246143744), (7, 175816960), (8, 153839840), (10, 123071872), (11, 111883520), (14, 87908480), (16, 76919920), (20, 61535936), (22, 55941760), (28, 43954240), (32, 38459960), (35, 35163392), (40, 30767968), (44, 27970880), (55, 22376704), (56, 21977120), (64, 19229980), (70, 17581696), (77, 15983360), (80, 15383984), (88, 13985440), (110, 11188352), (112, 10988560), (128, 9614990), (140, 8790848), (154, 7991680), (160, 7691992), (176, 6992720), (220, 5594176), (224, 5494280), (256, 4807495), (280, 4395424), (308, 3995840), (320, 3845996), (352, 3496360), (385, 3196672), (440, 2797088), (448, 2747140), (560, 2197712), (616, 1997920), (640, 1922998), (704, 1748180), (770, 1598336), (880, 1398544), (896, 1373570), (1120, 1098856), (1232, 998960), (1280, 961499), (1408, 874090), (1540, 799168), (1760, 699272), (1792, 686785), (2240, 549428), (2464, 499480), (2816, 437045), (3080, 399584), (3520, 349636), (4480, 274714), (4928, 249740), (6160, 199792), (7040, 174818), (8960, 137357), (9856, 124870), (12320, 99896), (12487, 98560), (14080, 87409), (19712, 62435), (24640, 49948), (24974, 49280)]