80720976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 252110848

約数和(自身を除く): 171389872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 43, 48, 56, 74, 84, 86, 111, 112, 129, 148, 151, 168, 172, 222, 258, 259, 296, 301, 302, 336, 344, 444, 453, 516, 518, 592, 602, 604, 688, 777, 888, 903, 906, 1032, 1036, 1057, 1204, 1208, 1554, 1591, 1776, 1806, 1812, 2064, 2072, 2114, 2408, 2416, 3108, 3171, 3182, 3612, 3624, 4144, 4228, 4773, 4816, 5587, 6216, 6342, 6364, 6493, 7224, 7248, 8456, 9546, 11137, 11174, 12432, 12684, 12728, 12986, 14448, 16761, 16912, 19092, 19479, 22274, 22348, 25368, 25456, 25972, 33411, 33522, 38184, 38958, 39109, 44548, 44696, 45451, 50736, 51944, 66822, 67044, 76368, 77916, 78218, 89096, 89392, 90902, 103888, 117327, 133644, 134088, 136353, 155832, 156436, 178192, 181804, 234654, 240241, 267288, 268176, 272706, 311664, 312872, 363608, 469308, 480482, 534576, 545412, 625744, 720723, 727216, 938616, 960964, 1090824, 1441446, 1681687, 1877232, 1921928, 2181648, 2882892, 3363374, 3843856, 5045061, 5765784, 6726748, 10090122, 11531568, 13453496, 20180244, 26906992, 40360488, 80720976]

約数ペア:

[(1, 80720976), (2, 40360488), (3, 26906992), (4, 20180244), (6, 13453496), (7, 11531568), (8, 10090122), (12, 6726748), (14, 5765784), (16, 5045061), (21, 3843856), (24, 3363374), (28, 2882892), (37, 2181648), (42, 1921928), (43, 1877232), (48, 1681687), (56, 1441446), (74, 1090824), (84, 960964), (86, 938616), (111, 727216), (112, 720723), (129, 625744), (148, 545412), (151, 534576), (168, 480482), (172, 469308), (222, 363608), (258, 312872), (259, 311664), (296, 272706), (301, 268176), (302, 267288), (336, 240241), (344, 234654), (444, 181804), (453, 178192), (516, 156436), (518, 155832), (592, 136353), (602, 134088), (604, 133644), (688, 117327), (777, 103888), (888, 90902), (903, 89392), (906, 89096), (1032, 78218), (1036, 77916), (1057, 76368), (1204, 67044), (1208, 66822), (1554, 51944), (1591, 50736), (1776, 45451), (1806, 44696), (1812, 44548), (2064, 39109), (2072, 38958), (2114, 38184), (2408, 33522), (2416, 33411), (3108, 25972), (3171, 25456), (3182, 25368), (3612, 22348), (3624, 22274), (4144, 19479), (4228, 19092), (4773, 16912), (4816, 16761), (5587, 14448), (6216, 12986), (6342, 12728), (6364, 12684), (6493, 12432), (7224, 11174), (7248, 11137), (8456, 9546)]