87212720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9161}}^1$

素因数の和:9198

約数の個数: 80

約数和(自身を含む): 245395008

約数和(自身を除く): 158182288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9161, 9520, 18322, 36644, 45805, 64127, 73288, 91610, 128254, 146576, 155737, 183220, 256508, 311474, 320635, 366440, 513016, 622948, 641270, 732880, 778685, 1026032, 1090159, 1245896, 1282540, 1557370, 2180318, 2491792, 2565080, 3114740, 4360636, 5130160, 5450795, 6229480, 8721272, 10901590, 12458960, 17442544, 21803180, 43606360, 87212720]

約数ペア:

[(1, 87212720), (2, 43606360), (4, 21803180), (5, 17442544), (7, 12458960), (8, 10901590), (10, 8721272), (14, 6229480), (16, 5450795), (17, 5130160), (20, 4360636), (28, 3114740), (34, 2565080), (35, 2491792), (40, 2180318), (56, 1557370), (68, 1282540), (70, 1245896), (80, 1090159), (85, 1026032), (112, 778685), (119, 732880), (136, 641270), (140, 622948), (170, 513016), (238, 366440), (272, 320635), (280, 311474), (340, 256508), (476, 183220), (560, 155737), (595, 146576), (680, 128254), (952, 91610), (1190, 73288), (1360, 64127), (1904, 45805), (2380, 36644), (4760, 18322), (9161, 9520)]