181780144

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6571}}^1$

素因数の和:6618

約数の個数: 80

約数和(自身を含む): 456359680

約数和(自身を除く): 274579536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 3458, 3952, 6571, 6916, 13142, 13832, 26284, 27664, 45997, 52568, 85423, 91994, 105136, 124849, 170846, 183988, 249698, 341692, 367976, 499396, 597961, 683384, 735952, 873943, 998792, 1195922, 1366768, 1623037, 1747886, 1997584, 2391844, 3246074, 3495772, 4783688, 6492148, 6991544, 9567376, 11361259, 12984296, 13983088, 22722518, 25968592, 45445036, 90890072, 181780144]

約数ペア:

[(1, 181780144), (2, 90890072), (4, 45445036), (7, 25968592), (8, 22722518), (13, 13983088), (14, 12984296), (16, 11361259), (19, 9567376), (26, 6991544), (28, 6492148), (38, 4783688), (52, 3495772), (56, 3246074), (76, 2391844), (91, 1997584), (104, 1747886), (112, 1623037), (133, 1366768), (152, 1195922), (182, 998792), (208, 873943), (247, 735952), (266, 683384), (304, 597961), (364, 499396), (494, 367976), (532, 341692), (728, 249698), (988, 183988), (1064, 170846), (1456, 124849), (1729, 105136), (1976, 91994), (2128, 85423), (3458, 52568), (3952, 45997), (6571, 27664), (6916, 26284), (13142, 13832)]