51478680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 171590400

約数和(自身を除く): 120111720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 59, 60, 66, 88, 110, 118, 120, 132, 165, 177, 220, 236, 264, 295, 330, 354, 440, 472, 590, 649, 660, 661, 708, 885, 1180, 1298, 1320, 1322, 1416, 1770, 1947, 1983, 2360, 2596, 2644, 3245, 3305, 3540, 3894, 3966, 5192, 5288, 6490, 6610, 7080, 7271, 7788, 7932, 9735, 9915, 12980, 13220, 14542, 15576, 15864, 19470, 19830, 21813, 25960, 26440, 29084, 36355, 38940, 38999, 39660, 43626, 58168, 72710, 77880, 77998, 79320, 87252, 109065, 116997, 145420, 155996, 174504, 194995, 218130, 233994, 290840, 311992, 389990, 428989, 436260, 467988, 584985, 779980, 857978, 872520, 935976, 1169970, 1286967, 1559960, 1715956, 2144945, 2339940, 2573934, 3431912, 4289890, 4679880, 5147868, 6434835, 8579780, 10295736, 12869670, 17159560, 25739340, 51478680]

約数ペア:

[(1, 51478680), (2, 25739340), (3, 17159560), (4, 12869670), (5, 10295736), (6, 8579780), (8, 6434835), (10, 5147868), (11, 4679880), (12, 4289890), (15, 3431912), (20, 2573934), (22, 2339940), (24, 2144945), (30, 1715956), (33, 1559960), (40, 1286967), (44, 1169970), (55, 935976), (59, 872520), (60, 857978), (66, 779980), (88, 584985), (110, 467988), (118, 436260), (120, 428989), (132, 389990), (165, 311992), (177, 290840), (220, 233994), (236, 218130), (264, 194995), (295, 174504), (330, 155996), (354, 145420), (440, 116997), (472, 109065), (590, 87252), (649, 79320), (660, 77998), (661, 77880), (708, 72710), (885, 58168), (1180, 43626), (1298, 39660), (1320, 38999), (1322, 38940), (1416, 36355), (1770, 29084), (1947, 26440), (1983, 25960), (2360, 21813), (2596, 19830), (2644, 19470), (3245, 15864), (3305, 15576), (3540, 14542), (3894, 13220), (3966, 12980), (5192, 9915), (5288, 9735), (6490, 7932), (6610, 7788), (7080, 7271)]