71457876

素因数分解:

$2^2\times 3^4\times 7^3\times {\mathrm{643}}^1$

素因数の和:680

約数の個数: 120

約数和(自身を含む): 218187200

約数和(自身を除く): 146729324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 343, 378, 441, 567, 588, 643, 686, 756, 882, 1029, 1134, 1286, 1323, 1372, 1764, 1929, 2058, 2268, 2572, 2646, 3087, 3858, 3969, 4116, 4501, 5292, 5787, 6174, 7716, 7938, 9002, 9261, 11574, 12348, 13503, 15876, 17361, 18004, 18522, 23148, 27006, 27783, 31507, 34722, 37044, 40509, 52083, 54012, 55566, 63014, 69444, 81018, 94521, 104166, 111132, 121527, 126028, 162036, 189042, 208332, 220549, 243054, 283563, 364581, 378084, 441098, 486108, 567126, 661647, 729162, 850689, 882196, 1134252, 1323294, 1458324, 1701378, 1984941, 2552067, 2646588, 3402756, 3969882, 5104134, 5954823, 7939764, 10208268, 11909646, 17864469, 23819292, 35728938, 71457876]

約数ペア:

[(1, 71457876), (2, 35728938), (3, 23819292), (4, 17864469), (6, 11909646), (7, 10208268), (9, 7939764), (12, 5954823), (14, 5104134), (18, 3969882), (21, 3402756), (27, 2646588), (28, 2552067), (36, 1984941), (42, 1701378), (49, 1458324), (54, 1323294), (63, 1134252), (81, 882196), (84, 850689), (98, 729162), (108, 661647), (126, 567126), (147, 486108), (162, 441098), (189, 378084), (196, 364581), (252, 283563), (294, 243054), (324, 220549), (343, 208332), (378, 189042), (441, 162036), (567, 126028), (588, 121527), (643, 111132), (686, 104166), (756, 94521), (882, 81018), (1029, 69444), (1134, 63014), (1286, 55566), (1323, 54012), (1372, 52083), (1764, 40509), (1929, 37044), (2058, 34722), (2268, 31507), (2572, 27783), (2646, 27006), (3087, 23148), (3858, 18522), (3969, 18004), (4116, 17361), (4501, 15876), (5292, 13503), (5787, 12348), (6174, 11574), (7716, 9261), (7938, 9002)]