640719936

素因数分解:

$2^6\times 3^3\times {\mathrm{17}}^2\times {\mathrm{1283}}^1$

素因数の和:1338

約数の個数: 168

約数和(自身を含む): 2002475040

約数和(自身を除く): 1361755104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 136, 144, 153, 192, 204, 216, 272, 288, 289, 306, 408, 432, 459, 544, 576, 578, 612, 816, 864, 867, 918, 1088, 1156, 1224, 1283, 1632, 1728, 1734, 1836, 2312, 2448, 2566, 2601, 3264, 3468, 3672, 3849, 4624, 4896, 5132, 5202, 6936, 7344, 7698, 7803, 9248, 9792, 10264, 10404, 11547, 13872, 14688, 15396, 15606, 18496, 20528, 20808, 21811, 23094, 27744, 29376, 30792, 31212, 34641, 41056, 41616, 43622, 46188, 55488, 61584, 62424, 65433, 69282, 82112, 83232, 87244, 92376, 123168, 124848, 130866, 138564, 166464, 174488, 184752, 196299, 246336, 249696, 261732, 277128, 348976, 369504, 370787, 392598, 499392, 523464, 554256, 588897, 697952, 739008, 741574, 785196, 1046928, 1108512, 1112361, 1177794, 1395904, 1483148, 1570392, 2093856, 2217024, 2224722, 2355588, 2966296, 3140784, 3337083, 4187712, 4449444, 4711176, 5932592, 6281568, 6674166, 8898888, 9422352, 10011249, 11865184, 12563136, 13348332, 17797776, 18844704, 20022498, 23730368, 26696664, 35595552, 37689408, 40044996, 53393328, 71191104, 80089992, 106786656, 160179984, 213573312, 320359968, 640719936]

約数ペア:

[(1, 640719936), (2, 320359968), (3, 213573312), (4, 160179984), (6, 106786656), (8, 80089992), (9, 71191104), (12, 53393328), (16, 40044996), (17, 37689408), (18, 35595552), (24, 26696664), (27, 23730368), (32, 20022498), (34, 18844704), (36, 17797776), (48, 13348332), (51, 12563136), (54, 11865184), (64, 10011249), (68, 9422352), (72, 8898888), (96, 6674166), (102, 6281568), (108, 5932592), (136, 4711176), (144, 4449444), (153, 4187712), (192, 3337083), (204, 3140784), (216, 2966296), (272, 2355588), (288, 2224722), (289, 2217024), (306, 2093856), (408, 1570392), (432, 1483148), (459, 1395904), (544, 1177794), (576, 1112361), (578, 1108512), (612, 1046928), (816, 785196), (864, 741574), (867, 739008), (918, 697952), (1088, 588897), (1156, 554256), (1224, 523464), (1283, 499392), (1632, 392598), (1728, 370787), (1734, 369504), (1836, 348976), (2312, 277128), (2448, 261732), (2566, 249696), (2601, 246336), (3264, 196299), (3468, 184752), (3672, 174488), (3849, 166464), (4624, 138564), (4896, 130866), (5132, 124848), (5202, 123168), (6936, 92376), (7344, 87244), (7698, 83232), (7803, 82112), (9248, 69282), (9792, 65433), (10264, 62424), (10404, 61584), (11547, 55488), (13872, 46188), (14688, 43622), (15396, 41616), (15606, 41056), (18496, 34641), (20528, 31212), (20808, 30792), (21811, 29376), (23094, 27744)]