81244836

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 237249600

約数和(自身を除く): 156004764

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 102, 108, 114, 137, 153, 171, 204, 228, 274, 289, 306, 323, 342, 411, 459, 513, 548, 578, 612, 646, 684, 822, 867, 918, 969, 1026, 1156, 1233, 1292, 1644, 1734, 1836, 1938, 2052, 2329, 2466, 2601, 2603, 2907, 3468, 3699, 3876, 4658, 4932, 5202, 5206, 5491, 5814, 6987, 7398, 7803, 7809, 8721, 9316, 10404, 10412, 10982, 11628, 13974, 14796, 15606, 15618, 16473, 17442, 20961, 21964, 23427, 27948, 31212, 31236, 32946, 34884, 39593, 41922, 44251, 46854, 49419, 62883, 65892, 70281, 79186, 83844, 88502, 93708, 98838, 118779, 125766, 132753, 140562, 148257, 158372, 177004, 197676, 237558, 251532, 265506, 281124, 296514, 356337, 398259, 475116, 531012, 593028, 712674, 752267, 796518, 1069011, 1194777, 1425348, 1504534, 1593036, 2138022, 2256801, 2389554, 3009068, 4276044, 4513602, 4779108, 6770403, 9027204, 13540806, 20311209, 27081612, 40622418, 81244836]

約数ペア:

[(1, 81244836), (2, 40622418), (3, 27081612), (4, 20311209), (6, 13540806), (9, 9027204), (12, 6770403), (17, 4779108), (18, 4513602), (19, 4276044), (27, 3009068), (34, 2389554), (36, 2256801), (38, 2138022), (51, 1593036), (54, 1504534), (57, 1425348), (68, 1194777), (76, 1069011), (102, 796518), (108, 752267), (114, 712674), (137, 593028), (153, 531012), (171, 475116), (204, 398259), (228, 356337), (274, 296514), (289, 281124), (306, 265506), (323, 251532), (342, 237558), (411, 197676), (459, 177004), (513, 158372), (548, 148257), (578, 140562), (612, 132753), (646, 125766), (684, 118779), (822, 98838), (867, 93708), (918, 88502), (969, 83844), (1026, 79186), (1156, 70281), (1233, 65892), (1292, 62883), (1644, 49419), (1734, 46854), (1836, 44251), (1938, 41922), (2052, 39593), (2329, 34884), (2466, 32946), (2601, 31236), (2603, 31212), (2907, 27948), (3468, 23427), (3699, 21964), (3876, 20961), (4658, 17442), (4932, 16473), (5202, 15618), (5206, 15606), (5491, 14796), (5814, 13974), (6987, 11628), (7398, 10982), (7803, 10412), (7809, 10404), (8721, 9316)]