212764720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16519}}^1$

素因数の和:16562

約数の個数: 80

約数和(自身を含む): 589962240

約数和(自身を除く): 377197520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 16519, 33038, 66076, 82595, 115633, 132152, 165190, 231266, 264304, 330380, 379937, 462532, 578165, 660760, 759874, 925064, 1156330, 1321520, 1519748, 1850128, 1899685, 2312660, 2659559, 3039496, 3799370, 4625320, 5319118, 6078992, 7598740, 9250640, 10638236, 13297795, 15197480, 21276472, 26595590, 30394960, 42552944, 53191180, 106382360, 212764720]

約数ペア:

[(1, 212764720), (2, 106382360), (4, 53191180), (5, 42552944), (7, 30394960), (8, 26595590), (10, 21276472), (14, 15197480), (16, 13297795), (20, 10638236), (23, 9250640), (28, 7598740), (35, 6078992), (40, 5319118), (46, 4625320), (56, 3799370), (70, 3039496), (80, 2659559), (92, 2312660), (112, 1899685), (115, 1850128), (140, 1519748), (161, 1321520), (184, 1156330), (230, 925064), (280, 759874), (322, 660760), (368, 578165), (460, 462532), (560, 379937), (644, 330380), (805, 264304), (920, 231266), (1288, 165190), (1610, 132152), (1840, 115633), (2576, 82595), (3220, 66076), (6440, 33038), (12880, 16519)]