31643920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{467}}^1$

素因数の和:509

約数の個数: 120

約数和(自身を含む): 92619072

約数和(自身を除く): 60975152

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 467, 484, 560, 605, 616, 770, 847, 880, 934, 968, 1210, 1232, 1540, 1694, 1868, 1936, 2335, 2420, 3080, 3269, 3388, 3736, 4235, 4670, 4840, 5137, 6160, 6538, 6776, 7472, 8470, 9340, 9680, 10274, 13076, 13552, 16345, 16940, 18680, 20548, 25685, 26152, 32690, 33880, 35959, 37360, 41096, 51370, 52304, 56507, 65380, 67760, 71918, 82192, 102740, 113014, 130760, 143836, 179795, 205480, 226028, 261520, 282535, 287672, 359590, 395549, 410960, 452056, 565070, 575344, 719180, 791098, 904112, 1130140, 1438360, 1582196, 1977745, 2260280, 2876720, 3164392, 3955490, 4520560, 6328784, 7910980, 15821960, 31643920]

約数ペア:

[(1, 31643920), (2, 15821960), (4, 7910980), (5, 6328784), (7, 4520560), (8, 3955490), (10, 3164392), (11, 2876720), (14, 2260280), (16, 1977745), (20, 1582196), (22, 1438360), (28, 1130140), (35, 904112), (40, 791098), (44, 719180), (55, 575344), (56, 565070), (70, 452056), (77, 410960), (80, 395549), (88, 359590), (110, 287672), (112, 282535), (121, 261520), (140, 226028), (154, 205480), (176, 179795), (220, 143836), (242, 130760), (280, 113014), (308, 102740), (385, 82192), (440, 71918), (467, 67760), (484, 65380), (560, 56507), (605, 52304), (616, 51370), (770, 41096), (847, 37360), (880, 35959), (934, 33880), (968, 32690), (1210, 26152), (1232, 25685), (1540, 20548), (1694, 18680), (1868, 16940), (1936, 16345), (2335, 13552), (2420, 13076), (3080, 10274), (3269, 9680), (3388, 9340), (3736, 8470), (4235, 7472), (4670, 6776), (4840, 6538), (5137, 6160)]