220155984

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:817

約数の個数: 120

約数和(自身を含む): 658082880

約数和(自身を除く): 437926896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 139, 144, 153, 204, 272, 278, 306, 408, 417, 556, 612, 647, 816, 834, 1112, 1224, 1251, 1294, 1668, 1941, 2224, 2363, 2448, 2502, 2588, 3336, 3882, 4726, 5004, 5176, 5823, 6672, 7089, 7764, 9452, 10008, 10352, 10999, 11646, 14178, 15528, 18904, 20016, 21267, 21998, 23292, 28356, 31056, 32997, 37808, 42534, 43996, 46584, 56712, 65994, 85068, 87992, 89933, 93168, 98991, 113424, 131988, 170136, 175984, 179866, 197982, 263976, 269799, 340272, 359732, 395964, 527952, 539598, 719464, 791928, 809397, 1079196, 1438928, 1528861, 1583856, 1618794, 2158392, 3057722, 3237588, 4316784, 4586583, 6115444, 6475176, 9173166, 12230888, 12950352, 13759749, 18346332, 24461776, 27519498, 36692664, 55038996, 73385328, 110077992, 220155984]

約数ペア:

[(1, 220155984), (2, 110077992), (3, 73385328), (4, 55038996), (6, 36692664), (8, 27519498), (9, 24461776), (12, 18346332), (16, 13759749), (17, 12950352), (18, 12230888), (24, 9173166), (34, 6475176), (36, 6115444), (48, 4586583), (51, 4316784), (68, 3237588), (72, 3057722), (102, 2158392), (136, 1618794), (139, 1583856), (144, 1528861), (153, 1438928), (204, 1079196), (272, 809397), (278, 791928), (306, 719464), (408, 539598), (417, 527952), (556, 395964), (612, 359732), (647, 340272), (816, 269799), (834, 263976), (1112, 197982), (1224, 179866), (1251, 175984), (1294, 170136), (1668, 131988), (1941, 113424), (2224, 98991), (2363, 93168), (2448, 89933), (2502, 87992), (2588, 85068), (3336, 65994), (3882, 56712), (4726, 46584), (5004, 43996), (5176, 42534), (5823, 37808), (6672, 32997), (7089, 31056), (7764, 28356), (9452, 23292), (10008, 21998), (10352, 21267), (10999, 20016), (11646, 18904), (14178, 15528)]