81328368

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 246984192

約数和(自身を除く): 165655824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 37, 44, 46, 48, 66, 69, 74, 88, 92, 111, 132, 138, 148, 176, 181, 184, 222, 253, 264, 276, 296, 362, 368, 407, 444, 506, 528, 543, 552, 592, 724, 759, 814, 851, 888, 1012, 1086, 1104, 1221, 1448, 1518, 1628, 1702, 1776, 1991, 2024, 2172, 2442, 2553, 2896, 3036, 3256, 3404, 3982, 4048, 4163, 4344, 4884, 5106, 5973, 6072, 6512, 6697, 6808, 7964, 8326, 8688, 9361, 9768, 10212, 11946, 12144, 12489, 13394, 13616, 15928, 16652, 18722, 19536, 20091, 20424, 23892, 24978, 26788, 28083, 31856, 33304, 37444, 40182, 40848, 45793, 47784, 49956, 53576, 56166, 66608, 73667, 74888, 80364, 91586, 95568, 99912, 107152, 112332, 137379, 147334, 149776, 154031, 160728, 183172, 199824, 221001, 224664, 274758, 294668, 308062, 321456, 366344, 442002, 449328, 462093, 549516, 589336, 616124, 732688, 884004, 924186, 1099032, 1178672, 1232248, 1694341, 1768008, 1848372, 2198064, 2464496, 3388682, 3536016, 3696744, 5083023, 6777364, 7393488, 10166046, 13554728, 20332092, 27109456, 40664184, 81328368]

約数ペア:

[(1, 81328368), (2, 40664184), (3, 27109456), (4, 20332092), (6, 13554728), (8, 10166046), (11, 7393488), (12, 6777364), (16, 5083023), (22, 3696744), (23, 3536016), (24, 3388682), (33, 2464496), (37, 2198064), (44, 1848372), (46, 1768008), (48, 1694341), (66, 1232248), (69, 1178672), (74, 1099032), (88, 924186), (92, 884004), (111, 732688), (132, 616124), (138, 589336), (148, 549516), (176, 462093), (181, 449328), (184, 442002), (222, 366344), (253, 321456), (264, 308062), (276, 294668), (296, 274758), (362, 224664), (368, 221001), (407, 199824), (444, 183172), (506, 160728), (528, 154031), (543, 149776), (552, 147334), (592, 137379), (724, 112332), (759, 107152), (814, 99912), (851, 95568), (888, 91586), (1012, 80364), (1086, 74888), (1104, 73667), (1221, 66608), (1448, 56166), (1518, 53576), (1628, 49956), (1702, 47784), (1776, 45793), (1991, 40848), (2024, 40182), (2172, 37444), (2442, 33304), (2553, 31856), (2896, 28083), (3036, 26788), (3256, 24978), (3404, 23892), (3982, 20424), (4048, 20091), (4163, 19536), (4344, 18722), (4884, 16652), (5106, 15928), (5973, 13616), (6072, 13394), (6512, 12489), (6697, 12144), (6808, 11946), (7964, 10212), (8326, 9768), (8688, 9361)]