73919720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 200309760

約数和(自身を除く): 126390040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 47, 56, 70, 82, 94, 137, 140, 164, 188, 205, 235, 274, 280, 287, 328, 329, 376, 410, 470, 548, 574, 658, 685, 820, 940, 959, 1096, 1148, 1316, 1370, 1435, 1640, 1645, 1880, 1918, 1927, 2296, 2632, 2740, 2870, 3290, 3836, 3854, 4795, 5480, 5617, 5740, 6439, 6580, 7672, 7708, 9590, 9635, 11234, 11480, 12878, 13160, 13489, 15416, 19180, 19270, 22468, 25756, 26978, 28085, 32195, 38360, 38540, 39319, 44936, 45073, 51512, 53956, 56170, 64390, 67445, 77080, 78638, 90146, 107912, 112340, 128780, 134890, 157276, 180292, 196595, 224680, 225365, 257560, 263999, 269780, 314552, 360584, 393190, 450730, 527998, 539560, 786380, 901460, 1055996, 1319995, 1572760, 1802920, 1847993, 2111992, 2639990, 3695986, 5279980, 7391972, 9239965, 10559960, 14783944, 18479930, 36959860, 73919720]

約数ペア:

[(1, 73919720), (2, 36959860), (4, 18479930), (5, 14783944), (7, 10559960), (8, 9239965), (10, 7391972), (14, 5279980), (20, 3695986), (28, 2639990), (35, 2111992), (40, 1847993), (41, 1802920), (47, 1572760), (56, 1319995), (70, 1055996), (82, 901460), (94, 786380), (137, 539560), (140, 527998), (164, 450730), (188, 393190), (205, 360584), (235, 314552), (274, 269780), (280, 263999), (287, 257560), (328, 225365), (329, 224680), (376, 196595), (410, 180292), (470, 157276), (548, 134890), (574, 128780), (658, 112340), (685, 107912), (820, 90146), (940, 78638), (959, 77080), (1096, 67445), (1148, 64390), (1316, 56170), (1370, 53956), (1435, 51512), (1640, 45073), (1645, 44936), (1880, 39319), (1918, 38540), (1927, 38360), (2296, 32195), (2632, 28085), (2740, 26978), (2870, 25756), (3290, 22468), (3836, 19270), (3854, 19180), (4795, 15416), (5480, 13489), (5617, 13160), (5740, 12878), (6439, 11480), (6580, 11234), (7672, 9635), (7708, 9590)]