261224640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{90703}}^1$

素因数の和:90726

約数の個数: 84

約数和(自身を含む): 898513824

約数和(自身を除く): 637289184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 90703, 181406, 272109, 362812, 453515, 544218, 725624, 816327, 907030, 1088436, 1360545, 1451248, 1632654, 1814060, 2176872, 2721090, 2902496, 3265308, 3628120, 4081635, 4353744, 5442180, 5804992, 6530616, 7256240, 8163270, 8707488, 10884360, 13061232, 14512480, 16326540, 17414976, 21768720, 26122464, 29024960, 32653080, 43537440, 52244928, 65306160, 87074880, 130612320, 261224640]

約数ペア:

[(1, 261224640), (2, 130612320), (3, 87074880), (4, 65306160), (5, 52244928), (6, 43537440), (8, 32653080), (9, 29024960), (10, 26122464), (12, 21768720), (15, 17414976), (16, 16326540), (18, 14512480), (20, 13061232), (24, 10884360), (30, 8707488), (32, 8163270), (36, 7256240), (40, 6530616), (45, 5804992), (48, 5442180), (60, 4353744), (64, 4081635), (72, 3628120), (80, 3265308), (90, 2902496), (96, 2721090), (120, 2176872), (144, 1814060), (160, 1632654), (180, 1451248), (192, 1360545), (240, 1088436), (288, 907030), (320, 816327), (360, 725624), (480, 544218), (576, 453515), (720, 362812), (960, 272109), (1440, 181406), (2880, 90703)]