79720884

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4019}}^1$

素因数の和:4077

約数の個数: 72

約数和(自身を含む): 219492000

約数和(自身を除く): 139771116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1653, 2204, 3306, 4019, 4959, 6612, 8038, 9918, 12057, 16076, 19836, 24114, 36171, 48228, 72342, 76361, 116551, 144684, 152722, 229083, 233102, 305444, 349653, 458166, 466204, 687249, 699306, 916332, 1048959, 1374498, 1398612, 2097918, 2214469, 2748996, 4195836, 4428938, 6643407, 8857876, 13286814, 19930221, 26573628, 39860442, 79720884]

約数ペア:

[(1, 79720884), (2, 39860442), (3, 26573628), (4, 19930221), (6, 13286814), (9, 8857876), (12, 6643407), (18, 4428938), (19, 4195836), (29, 2748996), (36, 2214469), (38, 2097918), (57, 1398612), (58, 1374498), (76, 1048959), (87, 916332), (114, 699306), (116, 687249), (171, 466204), (174, 458166), (228, 349653), (261, 305444), (342, 233102), (348, 229083), (522, 152722), (551, 144684), (684, 116551), (1044, 76361), (1102, 72342), (1653, 48228), (2204, 36171), (3306, 24114), (4019, 19836), (4959, 16076), (6612, 12057), (8038, 9918)]