81697680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:478

約数の個数: 160

約数和(自身を含む): 284803200

約数和(自身を除く): 203105520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 109, 120, 135, 144, 180, 216, 218, 240, 270, 327, 347, 360, 432, 436, 540, 545, 654, 694, 720, 872, 981, 1041, 1080, 1090, 1308, 1388, 1635, 1735, 1744, 1962, 2082, 2160, 2180, 2616, 2776, 2943, 3123, 3270, 3470, 3924, 4164, 4360, 4905, 5205, 5232, 5552, 5886, 6246, 6540, 6940, 7848, 8328, 8720, 9369, 9810, 10410, 11772, 12492, 13080, 13880, 14715, 15615, 15696, 16656, 18738, 19620, 20820, 23544, 24984, 26160, 27760, 29430, 31230, 37476, 37823, 39240, 41640, 46845, 47088, 49968, 58860, 62460, 74952, 75646, 78480, 83280, 93690, 113469, 117720, 124920, 149904, 151292, 187380, 189115, 226938, 235440, 249840, 302584, 340407, 374760, 378230, 453876, 567345, 605168, 680814, 749520, 756460, 907752, 1021221, 1134690, 1361628, 1512920, 1702035, 1815504, 2042442, 2269380, 2723256, 3025840, 3404070, 4084884, 4538760, 5106105, 5446512, 6808140, 8169768, 9077520, 10212210, 13616280, 16339536, 20424420, 27232560, 40848840, 81697680]

約数ペア:

[(1, 81697680), (2, 40848840), (3, 27232560), (4, 20424420), (5, 16339536), (6, 13616280), (8, 10212210), (9, 9077520), (10, 8169768), (12, 6808140), (15, 5446512), (16, 5106105), (18, 4538760), (20, 4084884), (24, 3404070), (27, 3025840), (30, 2723256), (36, 2269380), (40, 2042442), (45, 1815504), (48, 1702035), (54, 1512920), (60, 1361628), (72, 1134690), (80, 1021221), (90, 907752), (108, 756460), (109, 749520), (120, 680814), (135, 605168), (144, 567345), (180, 453876), (216, 378230), (218, 374760), (240, 340407), (270, 302584), (327, 249840), (347, 235440), (360, 226938), (432, 189115), (436, 187380), (540, 151292), (545, 149904), (654, 124920), (694, 117720), (720, 113469), (872, 93690), (981, 83280), (1041, 78480), (1080, 75646), (1090, 74952), (1308, 62460), (1388, 58860), (1635, 49968), (1735, 47088), (1744, 46845), (1962, 41640), (2082, 39240), (2160, 37823), (2180, 37476), (2616, 31230), (2776, 29430), (2943, 27760), (3123, 26160), (3270, 24984), (3470, 23544), (3924, 20820), (4164, 19620), (4360, 18738), (4905, 16656), (5205, 15696), (5232, 15615), (5552, 14715), (5886, 13880), (6246, 13080), (6540, 12492), (6940, 11772), (7848, 10410), (8328, 9810), (8720, 9369)]