165525920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:563

約数の個数: 144

約数和(自身を含む): 466427808

約数和(自身を除く): 300901888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 344, 392, 430, 490, 491, 560, 602, 688, 784, 860, 980, 982, 1120, 1204, 1376, 1505, 1568, 1720, 1960, 1964, 2107, 2408, 2455, 3010, 3437, 3440, 3920, 3928, 4214, 4816, 4910, 6020, 6874, 6880, 7840, 7856, 8428, 9632, 9820, 10535, 12040, 13748, 15712, 16856, 17185, 19640, 21070, 21113, 24059, 24080, 27496, 33712, 34370, 39280, 42140, 42226, 48118, 48160, 54992, 67424, 68740, 78560, 84280, 84452, 96236, 105565, 109984, 120295, 137480, 147791, 168560, 168904, 192472, 211130, 240590, 274960, 295582, 337120, 337808, 384944, 422260, 481180, 549920, 591164, 675616, 738955, 769888, 844520, 962360, 1034537, 1182328, 1477910, 1689040, 1924720, 2069074, 2364656, 2955820, 3378080, 3849440, 4138148, 4729312, 5172685, 5911640, 8276296, 10345370, 11823280, 16552592, 20690740, 23646560, 33105184, 41381480, 82762960, 165525920]

約数ペア:

[(1, 165525920), (2, 82762960), (4, 41381480), (5, 33105184), (7, 23646560), (8, 20690740), (10, 16552592), (14, 11823280), (16, 10345370), (20, 8276296), (28, 5911640), (32, 5172685), (35, 4729312), (40, 4138148), (43, 3849440), (49, 3378080), (56, 2955820), (70, 2364656), (80, 2069074), (86, 1924720), (98, 1689040), (112, 1477910), (140, 1182328), (160, 1034537), (172, 962360), (196, 844520), (215, 769888), (224, 738955), (245, 675616), (280, 591164), (301, 549920), (344, 481180), (392, 422260), (430, 384944), (490, 337808), (491, 337120), (560, 295582), (602, 274960), (688, 240590), (784, 211130), (860, 192472), (980, 168904), (982, 168560), (1120, 147791), (1204, 137480), (1376, 120295), (1505, 109984), (1568, 105565), (1720, 96236), (1960, 84452), (1964, 84280), (2107, 78560), (2408, 68740), (2455, 67424), (3010, 54992), (3437, 48160), (3440, 48118), (3920, 42226), (3928, 42140), (4214, 39280), (4816, 34370), (4910, 33712), (6020, 27496), (6874, 24080), (6880, 24059), (7840, 21113), (7856, 21070), (8428, 19640), (9632, 17185), (9820, 16856), (10535, 15712), (12040, 13748)]