27680454

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:96

約数の個数: 120

約数和(自身を含む): 72266040

約数和(自身を除く): 44585586

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 23, 27, 34, 38, 46, 51, 54, 57, 69, 81, 102, 114, 138, 153, 162, 171, 207, 306, 323, 342, 391, 414, 437, 459, 513, 529, 621, 646, 782, 874, 918, 969, 1026, 1058, 1173, 1242, 1311, 1377, 1539, 1587, 1863, 1938, 2346, 2622, 2754, 2907, 3078, 3174, 3519, 3726, 3933, 4761, 5814, 7038, 7429, 7866, 8721, 8993, 9522, 10051, 10557, 11799, 14283, 14858, 17442, 17986, 20102, 21114, 22287, 23598, 26163, 26979, 28566, 30153, 31671, 35397, 42849, 44574, 52326, 53958, 60306, 63342, 66861, 70794, 80937, 85698, 90459, 133722, 161874, 170867, 180918, 200583, 242811, 271377, 341734, 401166, 485622, 512601, 542754, 601749, 728433, 814131, 1025202, 1203498, 1456866, 1537803, 1628262, 3075606, 4613409, 9226818, 13840227, 27680454]

約数ペア:

[(1, 27680454), (2, 13840227), (3, 9226818), (6, 4613409), (9, 3075606), (17, 1628262), (18, 1537803), (19, 1456866), (23, 1203498), (27, 1025202), (34, 814131), (38, 728433), (46, 601749), (51, 542754), (54, 512601), (57, 485622), (69, 401166), (81, 341734), (102, 271377), (114, 242811), (138, 200583), (153, 180918), (162, 170867), (171, 161874), (207, 133722), (306, 90459), (323, 85698), (342, 80937), (391, 70794), (414, 66861), (437, 63342), (459, 60306), (513, 53958), (529, 52326), (621, 44574), (646, 42849), (782, 35397), (874, 31671), (918, 30153), (969, 28566), (1026, 26979), (1058, 26163), (1173, 23598), (1242, 22287), (1311, 21114), (1377, 20102), (1539, 17986), (1587, 17442), (1863, 14858), (1938, 14283), (2346, 11799), (2622, 10557), (2754, 10051), (2907, 9522), (3078, 8993), (3174, 8721), (3519, 7866), (3726, 7429), (3933, 7038), (4761, 5814)]