221509120

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 160

約数和(自身を含む): 622245888

約数和(自身を除く): 400736768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 256, 263, 280, 320, 329, 376, 448, 470, 512, 526, 560, 640, 658, 752, 896, 940, 1052, 1120, 1280, 1315, 1316, 1504, 1645, 1792, 1841, 1880, 2104, 2240, 2560, 2630, 2632, 3008, 3290, 3584, 3682, 3760, 4208, 4480, 5260, 5264, 6016, 6580, 7364, 7520, 8416, 8960, 9205, 10520, 10528, 12032, 12361, 13160, 14728, 15040, 16832, 17920, 18410, 21040, 21056, 24064, 24722, 26320, 29456, 30080, 33664, 36820, 42080, 42112, 49444, 52640, 58912, 60160, 61805, 67328, 73640, 84160, 84224, 86527, 98888, 105280, 117824, 120320, 123610, 134656, 147280, 168320, 168448, 173054, 197776, 210560, 235648, 247220, 294560, 336640, 346108, 395552, 421120, 432635, 471296, 494440, 589120, 673280, 692216, 791104, 842240, 865270, 942592, 988880, 1178240, 1384432, 1582208, 1730540, 1977760, 2356480, 2768864, 3164416, 3461080, 3955520, 4712960, 5537728, 6328832, 6922160, 7911040, 11075456, 13844320, 15822080, 22150912, 27688640, 31644160, 44301824, 55377280, 110754560, 221509120]

約数ペア:

[(1, 221509120), (2, 110754560), (4, 55377280), (5, 44301824), (7, 31644160), (8, 27688640), (10, 22150912), (14, 15822080), (16, 13844320), (20, 11075456), (28, 7911040), (32, 6922160), (35, 6328832), (40, 5537728), (47, 4712960), (56, 3955520), (64, 3461080), (70, 3164416), (80, 2768864), (94, 2356480), (112, 1977760), (128, 1730540), (140, 1582208), (160, 1384432), (188, 1178240), (224, 988880), (235, 942592), (256, 865270), (263, 842240), (280, 791104), (320, 692216), (329, 673280), (376, 589120), (448, 494440), (470, 471296), (512, 432635), (526, 421120), (560, 395552), (640, 346108), (658, 336640), (752, 294560), (896, 247220), (940, 235648), (1052, 210560), (1120, 197776), (1280, 173054), (1315, 168448), (1316, 168320), (1504, 147280), (1645, 134656), (1792, 123610), (1841, 120320), (1880, 117824), (2104, 105280), (2240, 98888), (2560, 86527), (2630, 84224), (2632, 84160), (3008, 73640), (3290, 67328), (3584, 61805), (3682, 60160), (3760, 58912), (4208, 52640), (4480, 49444), (5260, 42112), (5264, 42080), (6016, 36820), (6580, 33664), (7364, 30080), (7520, 29456), (8416, 26320), (8960, 24722), (9205, 24064), (10520, 21056), (10528, 21040), (12032, 18410), (12361, 17920), (13160, 16832), (14728, 15040)]