212347260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 663062400

約数和(自身を除く): 450715140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 109, 137, 158, 180, 218, 237, 274, 316, 327, 395, 411, 436, 474, 545, 548, 654, 685, 711, 790, 822, 948, 981, 1090, 1185, 1233, 1308, 1370, 1422, 1580, 1635, 1644, 1962, 2055, 2180, 2370, 2466, 2740, 2844, 3270, 3555, 3924, 4110, 4740, 4905, 4932, 6165, 6540, 7110, 8220, 8611, 9810, 10823, 12330, 14220, 14933, 17222, 19620, 21646, 24660, 25833, 29866, 32469, 34444, 43055, 43292, 44799, 51666, 54115, 59732, 64938, 74665, 77499, 86110, 89598, 97407, 103332, 108230, 129165, 129876, 134397, 149330, 154998, 162345, 172220, 179196, 194814, 216460, 223995, 258330, 268794, 298660, 309996, 324690, 387495, 389628, 447990, 487035, 516660, 537588, 649380, 671985, 774990, 895980, 974070, 1179707, 1343970, 1549980, 1948140, 2359414, 2687940, 3539121, 4718828, 5898535, 7078242, 10617363, 11797070, 14156484, 17695605, 21234726, 23594140, 35391210, 42469452, 53086815, 70782420, 106173630, 212347260]

約数ペア:

[(1, 212347260), (2, 106173630), (3, 70782420), (4, 53086815), (5, 42469452), (6, 35391210), (9, 23594140), (10, 21234726), (12, 17695605), (15, 14156484), (18, 11797070), (20, 10617363), (30, 7078242), (36, 5898535), (45, 4718828), (60, 3539121), (79, 2687940), (90, 2359414), (109, 1948140), (137, 1549980), (158, 1343970), (180, 1179707), (218, 974070), (237, 895980), (274, 774990), (316, 671985), (327, 649380), (395, 537588), (411, 516660), (436, 487035), (474, 447990), (545, 389628), (548, 387495), (654, 324690), (685, 309996), (711, 298660), (790, 268794), (822, 258330), (948, 223995), (981, 216460), (1090, 194814), (1185, 179196), (1233, 172220), (1308, 162345), (1370, 154998), (1422, 149330), (1580, 134397), (1635, 129876), (1644, 129165), (1962, 108230), (2055, 103332), (2180, 97407), (2370, 89598), (2466, 86110), (2740, 77499), (2844, 74665), (3270, 64938), (3555, 59732), (3924, 54115), (4110, 51666), (4740, 44799), (4905, 43292), (4932, 43055), (6165, 34444), (6540, 32469), (7110, 29866), (8220, 25833), (8611, 24660), (9810, 21646), (10823, 19620), (12330, 17222), (14220, 14933)]