80511018

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 207360000

約数和(自身を除く): 126848982

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 49, 57, 58, 71, 87, 98, 114, 133, 142, 147, 174, 203, 213, 266, 294, 343, 399, 406, 426, 497, 551, 609, 686, 798, 931, 994, 1029, 1102, 1218, 1349, 1421, 1491, 1653, 1862, 2058, 2059, 2698, 2793, 2842, 2982, 3306, 3479, 3857, 4047, 4118, 4263, 5586, 6177, 6517, 6958, 7714, 8094, 8526, 9443, 9947, 10437, 11571, 12354, 13034, 14413, 18886, 19551, 19894, 20874, 23142, 24353, 26999, 28329, 28826, 29841, 39102, 39121, 43239, 48706, 53998, 56658, 59682, 66101, 73059, 78242, 80997, 86478, 100891, 117363, 132202, 146118, 161994, 188993, 198303, 201782, 234726, 273847, 302673, 377986, 396606, 462707, 547694, 566979, 605346, 706237, 821541, 925414, 1133958, 1388121, 1412474, 1643082, 1916929, 2118711, 2776242, 3833858, 4237422, 5750787, 11501574, 13418503, 26837006, 40255509, 80511018]

約数ペア:

[(1, 80511018), (2, 40255509), (3, 26837006), (6, 13418503), (7, 11501574), (14, 5750787), (19, 4237422), (21, 3833858), (29, 2776242), (38, 2118711), (42, 1916929), (49, 1643082), (57, 1412474), (58, 1388121), (71, 1133958), (87, 925414), (98, 821541), (114, 706237), (133, 605346), (142, 566979), (147, 547694), (174, 462707), (203, 396606), (213, 377986), (266, 302673), (294, 273847), (343, 234726), (399, 201782), (406, 198303), (426, 188993), (497, 161994), (551, 146118), (609, 132202), (686, 117363), (798, 100891), (931, 86478), (994, 80997), (1029, 78242), (1102, 73059), (1218, 66101), (1349, 59682), (1421, 56658), (1491, 53998), (1653, 48706), (1862, 43239), (2058, 39121), (2059, 39102), (2698, 29841), (2793, 28826), (2842, 28329), (2982, 26999), (3306, 24353), (3479, 23142), (3857, 20874), (4047, 19894), (4118, 19551), (4263, 18886), (5586, 14413), (6177, 13034), (6517, 12354), (6958, 11571), (7714, 10437), (8094, 9947), (8526, 9443)]