78921540

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{5413}}^1$

素因数の和:5440

約数の個数: 84

約数和(自身を含む): 248535084

約数和(自身を除く): 169613544

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 5413, 7290, 10826, 14580, 16239, 21652, 27065, 32478, 48717, 54130, 64956, 81195, 97434, 108260, 146151, 162390, 194868, 243585, 292302, 324780, 438453, 487170, 584604, 730755, 876906, 974340, 1315359, 1461510, 1753812, 2192265, 2630718, 2923020, 3946077, 4384530, 5261436, 6576795, 7892154, 8769060, 13153590, 15784308, 19730385, 26307180, 39460770, 78921540]

約数ペア:

[(1, 78921540), (2, 39460770), (3, 26307180), (4, 19730385), (5, 15784308), (6, 13153590), (9, 8769060), (10, 7892154), (12, 6576795), (15, 5261436), (18, 4384530), (20, 3946077), (27, 2923020), (30, 2630718), (36, 2192265), (45, 1753812), (54, 1461510), (60, 1315359), (81, 974340), (90, 876906), (108, 730755), (135, 584604), (162, 487170), (180, 438453), (243, 324780), (270, 292302), (324, 243585), (405, 194868), (486, 162390), (540, 146151), (729, 108260), (810, 97434), (972, 81195), (1215, 64956), (1458, 54130), (1620, 48717), (2430, 32478), (2916, 27065), (3645, 21652), (4860, 16239), (5413, 14580), (7290, 10826)]