1320408740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1601}}^1$

素因数の和:1797

約数の個数: 96

約数和(自身を含む): 3268387584

約数和(自身を除く): 1947978844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 137, 140, 172, 215, 274, 301, 430, 548, 602, 685, 860, 959, 1204, 1370, 1505, 1601, 1918, 2740, 3010, 3202, 3836, 4795, 5891, 6020, 6404, 8005, 9590, 11207, 11782, 16010, 19180, 22414, 23564, 29455, 32020, 41237, 44828, 56035, 58910, 68843, 82474, 112070, 117820, 137686, 164948, 206185, 219337, 224140, 275372, 344215, 412370, 438674, 481901, 688430, 824740, 877348, 963802, 1096685, 1376860, 1535359, 1927604, 2193370, 2409505, 3070718, 4386740, 4819010, 6141436, 7676795, 9431491, 9638020, 15353590, 18862982, 30707180, 37725964, 47157455, 66020437, 94314910, 132040874, 188629820, 264081748, 330102185, 660204370, 1320408740]

約数ペア:

[(1, 1320408740), (2, 660204370), (4, 330102185), (5, 264081748), (7, 188629820), (10, 132040874), (14, 94314910), (20, 66020437), (28, 47157455), (35, 37725964), (43, 30707180), (70, 18862982), (86, 15353590), (137, 9638020), (140, 9431491), (172, 7676795), (215, 6141436), (274, 4819010), (301, 4386740), (430, 3070718), (548, 2409505), (602, 2193370), (685, 1927604), (860, 1535359), (959, 1376860), (1204, 1096685), (1370, 963802), (1505, 877348), (1601, 824740), (1918, 688430), (2740, 481901), (3010, 438674), (3202, 412370), (3836, 344215), (4795, 275372), (5891, 224140), (6020, 219337), (6404, 206185), (8005, 164948), (9590, 137686), (11207, 117820), (11782, 112070), (16010, 82474), (19180, 68843), (22414, 58910), (23564, 56035), (29455, 44828), (32020, 41237)]