72779728

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 177131520

約数和(自身を除く): 104351792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 56, 76, 92, 112, 133, 152, 161, 184, 266, 304, 322, 368, 437, 532, 644, 874, 1064, 1288, 1487, 1748, 2128, 2576, 2974, 3059, 3496, 5948, 6118, 6992, 10409, 11896, 12236, 20818, 23792, 24472, 28253, 34201, 41636, 48944, 56506, 68402, 83272, 113012, 136804, 166544, 197771, 226024, 239407, 273608, 395542, 452048, 478814, 547216, 649819, 791084, 957628, 1299638, 1582168, 1915256, 2599276, 3164336, 3830512, 4548733, 5198552, 9097466, 10397104, 18194932, 36389864, 72779728]

約数ペア:

[(1, 72779728), (2, 36389864), (4, 18194932), (7, 10397104), (8, 9097466), (14, 5198552), (16, 4548733), (19, 3830512), (23, 3164336), (28, 2599276), (38, 1915256), (46, 1582168), (56, 1299638), (76, 957628), (92, 791084), (112, 649819), (133, 547216), (152, 478814), (161, 452048), (184, 395542), (266, 273608), (304, 239407), (322, 226024), (368, 197771), (437, 166544), (532, 136804), (644, 113012), (874, 83272), (1064, 68402), (1288, 56506), (1487, 48944), (1748, 41636), (2128, 34201), (2576, 28253), (2974, 24472), (3059, 23792), (3496, 20818), (5948, 12236), (6118, 11896), (6992, 10409)]