661395924

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1847}}^1$

素因数の和:1907

約数の個数: 144

約数和(自身を含む): 2018016000

約数和(自身を除く): 1356620076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 49, 58, 63, 84, 87, 98, 116, 126, 147, 174, 196, 203, 252, 261, 294, 343, 348, 406, 441, 522, 588, 609, 686, 812, 882, 1029, 1044, 1218, 1372, 1421, 1764, 1827, 1847, 2058, 2436, 2842, 3087, 3654, 3694, 4116, 4263, 5541, 5684, 6174, 7308, 7388, 8526, 9947, 11082, 12348, 12789, 12929, 16623, 17052, 19894, 22164, 25578, 25858, 29841, 33246, 38787, 39788, 51156, 51716, 53563, 59682, 66492, 77574, 89523, 90503, 107126, 116361, 119364, 155148, 160689, 179046, 181006, 214252, 232722, 271509, 321378, 358092, 362012, 374941, 465444, 482067, 543018, 633521, 642756, 749882, 814527, 964134, 1086036, 1124823, 1267042, 1499764, 1629054, 1900563, 1928268, 2249646, 2534084, 2624587, 3258108, 3374469, 3801126, 4499292, 5249174, 5701689, 6748938, 7602252, 7873761, 10498348, 11403378, 13497876, 15747522, 18372109, 22806756, 23621283, 31495044, 36744218, 47242566, 55116327, 73488436, 94485132, 110232654, 165348981, 220465308, 330697962, 661395924]

約数ペア:

[(1, 661395924), (2, 330697962), (3, 220465308), (4, 165348981), (6, 110232654), (7, 94485132), (9, 73488436), (12, 55116327), (14, 47242566), (18, 36744218), (21, 31495044), (28, 23621283), (29, 22806756), (36, 18372109), (42, 15747522), (49, 13497876), (58, 11403378), (63, 10498348), (84, 7873761), (87, 7602252), (98, 6748938), (116, 5701689), (126, 5249174), (147, 4499292), (174, 3801126), (196, 3374469), (203, 3258108), (252, 2624587), (261, 2534084), (294, 2249646), (343, 1928268), (348, 1900563), (406, 1629054), (441, 1499764), (522, 1267042), (588, 1124823), (609, 1086036), (686, 964134), (812, 814527), (882, 749882), (1029, 642756), (1044, 633521), (1218, 543018), (1372, 482067), (1421, 465444), (1764, 374941), (1827, 362012), (1847, 358092), (2058, 321378), (2436, 271509), (2842, 232722), (3087, 214252), (3654, 181006), (3694, 179046), (4116, 160689), (4263, 155148), (5541, 119364), (5684, 116361), (6174, 107126), (7308, 90503), (7388, 89523), (8526, 77574), (9947, 66492), (11082, 59682), (12348, 53563), (12789, 51716), (12929, 51156), (16623, 39788), (17052, 38787), (19894, 33246), (22164, 29841), (25578, 25858)]