161963568

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:627

約数の個数: 120

約数和(自身を含む): 491531040

約数和(自身を除く): 329567472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 241, 312, 359, 468, 482, 624, 718, 723, 936, 964, 1077, 1436, 1446, 1872, 1928, 2154, 2169, 2872, 2892, 3133, 3231, 3856, 4308, 4338, 4667, 5744, 5784, 6266, 6462, 8616, 8676, 9334, 9399, 11568, 12532, 12924, 14001, 17232, 17352, 18668, 18798, 25064, 25848, 28002, 28197, 34704, 37336, 37596, 42003, 50128, 51696, 56004, 56394, 74672, 75192, 84006, 86519, 112008, 112788, 150384, 168012, 173038, 224016, 225576, 259557, 336024, 346076, 451152, 519114, 672048, 692152, 778671, 1038228, 1124747, 1384304, 1557342, 2076456, 2249494, 3114684, 3374241, 4152912, 4498988, 6229368, 6748482, 8997976, 10122723, 12458736, 13496964, 17995952, 20245446, 26993928, 40490892, 53987856, 80981784, 161963568]

約数ペア:

[(1, 161963568), (2, 80981784), (3, 53987856), (4, 40490892), (6, 26993928), (8, 20245446), (9, 17995952), (12, 13496964), (13, 12458736), (16, 10122723), (18, 8997976), (24, 6748482), (26, 6229368), (36, 4498988), (39, 4152912), (48, 3374241), (52, 3114684), (72, 2249494), (78, 2076456), (104, 1557342), (117, 1384304), (144, 1124747), (156, 1038228), (208, 778671), (234, 692152), (241, 672048), (312, 519114), (359, 451152), (468, 346076), (482, 336024), (624, 259557), (718, 225576), (723, 224016), (936, 173038), (964, 168012), (1077, 150384), (1436, 112788), (1446, 112008), (1872, 86519), (1928, 84006), (2154, 75192), (2169, 74672), (2872, 56394), (2892, 56004), (3133, 51696), (3231, 50128), (3856, 42003), (4308, 37596), (4338, 37336), (4667, 34704), (5744, 28197), (5784, 28002), (6266, 25848), (6462, 25064), (8616, 18798), (8676, 18668), (9334, 17352), (9399, 17232), (11568, 14001), (12532, 12924)]