85880872

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 131847128

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 59, 68, 77, 88, 118, 119, 136, 139, 154, 187, 236, 238, 278, 308, 374, 413, 472, 476, 556, 616, 649, 748, 826, 952, 973, 1003, 1112, 1298, 1309, 1496, 1529, 1652, 1946, 2006, 2363, 2596, 2618, 3058, 3304, 3892, 4012, 4543, 4726, 5192, 5236, 6116, 7021, 7784, 8024, 8201, 9086, 9452, 10472, 10703, 11033, 12232, 14042, 16402, 16541, 18172, 18904, 21406, 22066, 25993, 28084, 32804, 33082, 36344, 42812, 44132, 51986, 56168, 57407, 65608, 66164, 77231, 85624, 88264, 90211, 103972, 114814, 132328, 139417, 154462, 180422, 181951, 207944, 229628, 278834, 308924, 360844, 363902, 459256, 557668, 617848, 631477, 721688, 727804, 975919, 1115336, 1262954, 1455608, 1533587, 1951838, 2525908, 3067174, 3903676, 5051816, 6134348, 7807352, 10735109, 12268696, 21470218, 42940436, 85880872]

約数ペア:

[(1, 85880872), (2, 42940436), (4, 21470218), (7, 12268696), (8, 10735109), (11, 7807352), (14, 6134348), (17, 5051816), (22, 3903676), (28, 3067174), (34, 2525908), (44, 1951838), (56, 1533587), (59, 1455608), (68, 1262954), (77, 1115336), (88, 975919), (118, 727804), (119, 721688), (136, 631477), (139, 617848), (154, 557668), (187, 459256), (236, 363902), (238, 360844), (278, 308924), (308, 278834), (374, 229628), (413, 207944), (472, 181951), (476, 180422), (556, 154462), (616, 139417), (649, 132328), (748, 114814), (826, 103972), (952, 90211), (973, 88264), (1003, 85624), (1112, 77231), (1298, 66164), (1309, 65608), (1496, 57407), (1529, 56168), (1652, 51986), (1946, 44132), (2006, 42812), (2363, 36344), (2596, 33082), (2618, 32804), (3058, 28084), (3304, 25993), (3892, 22066), (4012, 21406), (4543, 18904), (4726, 18172), (5192, 16541), (5236, 16402), (6116, 14042), (7021, 12232), (7784, 11033), (8024, 10703), (8201, 10472), (9086, 9452)]