72180304

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 168203520

約数和(自身を除く): 96023216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 71, 112, 116, 142, 203, 232, 284, 313, 406, 464, 497, 568, 626, 812, 994, 1136, 1252, 1624, 1988, 2059, 2191, 2504, 3248, 3976, 4118, 4382, 5008, 7952, 8236, 8764, 9077, 14413, 16472, 17528, 18154, 22223, 28826, 32944, 35056, 36308, 44446, 57652, 63539, 72616, 88892, 115304, 127078, 145232, 155561, 177784, 230608, 254156, 311122, 355568, 508312, 622244, 644467, 1016624, 1244488, 1288934, 2488976, 2577868, 4511269, 5155736, 9022538, 10311472, 18045076, 36090152, 72180304]

約数ペア:

[(1, 72180304), (2, 36090152), (4, 18045076), (7, 10311472), (8, 9022538), (14, 5155736), (16, 4511269), (28, 2577868), (29, 2488976), (56, 1288934), (58, 1244488), (71, 1016624), (112, 644467), (116, 622244), (142, 508312), (203, 355568), (232, 311122), (284, 254156), (313, 230608), (406, 177784), (464, 155561), (497, 145232), (568, 127078), (626, 115304), (812, 88892), (994, 72616), (1136, 63539), (1252, 57652), (1624, 44446), (1988, 36308), (2059, 35056), (2191, 32944), (2504, 28826), (3248, 22223), (3976, 18154), (4118, 17528), (4382, 16472), (5008, 14413), (7952, 9077), (8236, 8764)]