161216220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8423}}^1$

素因数の和:8475

約数の個数: 96

約数和(自身を含む): 509483520

約数和(自身を除く): 348267300

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1276, 1595, 1740, 1914, 3190, 3828, 4785, 6380, 8423, 9570, 16846, 19140, 25269, 33692, 42115, 50538, 84230, 92653, 101076, 126345, 168460, 185306, 244267, 252690, 277959, 370612, 463265, 488534, 505380, 555918, 732801, 926530, 977068, 1111836, 1221335, 1389795, 1465602, 1853060, 2442670, 2686937, 2779590, 2931204, 3664005, 4885340, 5373874, 5559180, 7328010, 8060811, 10747748, 13434685, 14656020, 16121622, 26869370, 32243244, 40304055, 53738740, 80608110, 161216220]

約数ペア:

[(1, 161216220), (2, 80608110), (3, 53738740), (4, 40304055), (5, 32243244), (6, 26869370), (10, 16121622), (11, 14656020), (12, 13434685), (15, 10747748), (20, 8060811), (22, 7328010), (29, 5559180), (30, 5373874), (33, 4885340), (44, 3664005), (55, 2931204), (58, 2779590), (60, 2686937), (66, 2442670), (87, 1853060), (110, 1465602), (116, 1389795), (132, 1221335), (145, 1111836), (165, 977068), (174, 926530), (220, 732801), (290, 555918), (319, 505380), (330, 488534), (348, 463265), (435, 370612), (580, 277959), (638, 252690), (660, 244267), (870, 185306), (957, 168460), (1276, 126345), (1595, 101076), (1740, 92653), (1914, 84230), (3190, 50538), (3828, 42115), (4785, 33692), (6380, 25269), (8423, 19140), (9570, 16846)]