80721144

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 258508800

約数和(自身を除く): 177787656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 197, 216, 252, 271, 378, 394, 504, 542, 591, 756, 788, 813, 1084, 1182, 1379, 1512, 1576, 1626, 1773, 1897, 2168, 2364, 2439, 2758, 3252, 3546, 3794, 4137, 4728, 4878, 5319, 5516, 5691, 6504, 7092, 7317, 7588, 8274, 9756, 10638, 11032, 11382, 12411, 14184, 14634, 15176, 16548, 17073, 19512, 21276, 22764, 24822, 29268, 33096, 34146, 37233, 42552, 45528, 49644, 51219, 53387, 58536, 68292, 74466, 99288, 102438, 106774, 136584, 148932, 160161, 204876, 213548, 297864, 320322, 373709, 409752, 427096, 480483, 640644, 747418, 960966, 1121127, 1281288, 1441449, 1494836, 1921932, 2242254, 2882898, 2989672, 3363381, 3843864, 4484508, 5765796, 6726762, 8969016, 10090143, 11531592, 13453524, 20180286, 26907048, 40360572, 80721144]

約数ペア:

[(1, 80721144), (2, 40360572), (3, 26907048), (4, 20180286), (6, 13453524), (7, 11531592), (8, 10090143), (9, 8969016), (12, 6726762), (14, 5765796), (18, 4484508), (21, 3843864), (24, 3363381), (27, 2989672), (28, 2882898), (36, 2242254), (42, 1921932), (54, 1494836), (56, 1441449), (63, 1281288), (72, 1121127), (84, 960966), (108, 747418), (126, 640644), (168, 480483), (189, 427096), (197, 409752), (216, 373709), (252, 320322), (271, 297864), (378, 213548), (394, 204876), (504, 160161), (542, 148932), (591, 136584), (756, 106774), (788, 102438), (813, 99288), (1084, 74466), (1182, 68292), (1379, 58536), (1512, 53387), (1576, 51219), (1626, 49644), (1773, 45528), (1897, 42552), (2168, 37233), (2364, 34146), (2439, 33096), (2758, 29268), (3252, 24822), (3546, 22764), (3794, 21276), (4137, 19512), (4728, 17073), (4878, 16548), (5319, 15176), (5516, 14634), (5691, 14184), (6504, 12411), (7092, 11382), (7317, 11032), (7588, 10638), (8274, 9756)]