639331368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 1875726720

約数和(自身を除く): 1236395352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 41, 46, 52, 53, 69, 78, 82, 92, 104, 106, 123, 138, 156, 159, 164, 184, 212, 246, 276, 299, 312, 318, 328, 424, 492, 533, 552, 598, 636, 689, 897, 943, 984, 1066, 1196, 1219, 1272, 1378, 1599, 1681, 1794, 1886, 2067, 2132, 2173, 2392, 2438, 2756, 2829, 3198, 3362, 3588, 3657, 3772, 4134, 4264, 4346, 4876, 5043, 5512, 5658, 6396, 6519, 6724, 7176, 7314, 7544, 8268, 8692, 9752, 10086, 11316, 12259, 12792, 13038, 13448, 14628, 15847, 16536, 17384, 20172, 21853, 22632, 24518, 26076, 28249, 29256, 31694, 36777, 38663, 40344, 43706, 47541, 49036, 49979, 52152, 56498, 63388, 65559, 73554, 77326, 84747, 87412, 89093, 95082, 98072, 99958, 112996, 115989, 126776, 131118, 147108, 149937, 154652, 169494, 174824, 178186, 190164, 199916, 225992, 231978, 262236, 267279, 294216, 299874, 309304, 338988, 356372, 380328, 399832, 463956, 502619, 524472, 534558, 599748, 649727, 677976, 712744, 927912, 1005238, 1069116, 1158209, 1199496, 1299454, 1507857, 1949181, 2010476, 2049139, 2138232, 2316418, 2598908, 3015714, 3474627, 3898362, 4020952, 4098278, 4632836, 5197816, 6031428, 6147417, 6949254, 7796724, 8196556, 9265672, 12062856, 12294834, 13898508, 15593448, 16393112, 24589668, 26638807, 27797016, 49179336, 53277614, 79916421, 106555228, 159832842, 213110456, 319665684, 639331368]

約数ペア:

[(1, 639331368), (2, 319665684), (3, 213110456), (4, 159832842), (6, 106555228), (8, 79916421), (12, 53277614), (13, 49179336), (23, 27797016), (24, 26638807), (26, 24589668), (39, 16393112), (41, 15593448), (46, 13898508), (52, 12294834), (53, 12062856), (69, 9265672), (78, 8196556), (82, 7796724), (92, 6949254), (104, 6147417), (106, 6031428), (123, 5197816), (138, 4632836), (156, 4098278), (159, 4020952), (164, 3898362), (184, 3474627), (212, 3015714), (246, 2598908), (276, 2316418), (299, 2138232), (312, 2049139), (318, 2010476), (328, 1949181), (424, 1507857), (492, 1299454), (533, 1199496), (552, 1158209), (598, 1069116), (636, 1005238), (689, 927912), (897, 712744), (943, 677976), (984, 649727), (1066, 599748), (1196, 534558), (1219, 524472), (1272, 502619), (1378, 463956), (1599, 399832), (1681, 380328), (1794, 356372), (1886, 338988), (2067, 309304), (2132, 299874), (2173, 294216), (2392, 267279), (2438, 262236), (2756, 231978), (2829, 225992), (3198, 199916), (3362, 190164), (3588, 178186), (3657, 174824), (3772, 169494), (4134, 154652), (4264, 149937), (4346, 147108), (4876, 131118), (5043, 126776), (5512, 115989), (5658, 112996), (6396, 99958), (6519, 98072), (6724, 95082), (7176, 89093), (7314, 87412), (7544, 84747), (8268, 77326), (8692, 73554), (9752, 65559), (10086, 63388), (11316, 56498), (12259, 52152), (12792, 49979), (13038, 49036), (13448, 47541), (14628, 43706), (15847, 40344), (16536, 38663), (17384, 36777), (20172, 31694), (21853, 29256), (22632, 28249), (24518, 26076)]