28372440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 91238400

約数和(自身を除く): 62865960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 263, 290, 310, 348, 372, 435, 465, 526, 580, 620, 696, 744, 789, 870, 899, 930, 1052, 1160, 1240, 1315, 1578, 1740, 1798, 1860, 2104, 2630, 2697, 3156, 3480, 3596, 3720, 3945, 4495, 5260, 5394, 6312, 7192, 7627, 7890, 8153, 8990, 10520, 10788, 13485, 15254, 15780, 16306, 17980, 21576, 22881, 24459, 26970, 30508, 31560, 32612, 35960, 38135, 40765, 45762, 48918, 53940, 61016, 65224, 76270, 81530, 91524, 97836, 107880, 114405, 122295, 152540, 163060, 183048, 195672, 228810, 236437, 244590, 305080, 326120, 457620, 472874, 489180, 709311, 915240, 945748, 978360, 1182185, 1418622, 1891496, 2364370, 2837244, 3546555, 4728740, 5674488, 7093110, 9457480, 14186220, 28372440]

約数ペア:

[(1, 28372440), (2, 14186220), (3, 9457480), (4, 7093110), (5, 5674488), (6, 4728740), (8, 3546555), (10, 2837244), (12, 2364370), (15, 1891496), (20, 1418622), (24, 1182185), (29, 978360), (30, 945748), (31, 915240), (40, 709311), (58, 489180), (60, 472874), (62, 457620), (87, 326120), (93, 305080), (116, 244590), (120, 236437), (124, 228810), (145, 195672), (155, 183048), (174, 163060), (186, 152540), (232, 122295), (248, 114405), (263, 107880), (290, 97836), (310, 91524), (348, 81530), (372, 76270), (435, 65224), (465, 61016), (526, 53940), (580, 48918), (620, 45762), (696, 40765), (744, 38135), (789, 35960), (870, 32612), (899, 31560), (930, 30508), (1052, 26970), (1160, 24459), (1240, 22881), (1315, 21576), (1578, 17980), (1740, 16306), (1798, 15780), (1860, 15254), (2104, 13485), (2630, 10788), (2697, 10520), (3156, 8990), (3480, 8153), (3596, 7890), (3720, 7627), (3945, 7192), (4495, 6312), (5260, 5394)]