640798272

素因数分解:

$2^6\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2177

約数の個数: 168

約数和(自身を含む): 2008461312

約数和(自身を除く): 1367663040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 32, 34, 36, 48, 51, 62, 64, 68, 72, 93, 96, 102, 124, 136, 144, 153, 186, 192, 204, 248, 272, 279, 288, 306, 372, 408, 496, 527, 544, 558, 576, 612, 744, 816, 992, 1054, 1088, 1116, 1224, 1488, 1581, 1632, 1984, 2108, 2111, 2232, 2448, 2976, 3162, 3264, 4216, 4222, 4464, 4743, 4896, 5952, 6324, 6333, 8432, 8444, 8928, 9486, 9792, 12648, 12666, 16864, 16888, 17856, 18972, 18999, 25296, 25332, 33728, 33776, 35887, 37944, 37998, 50592, 50664, 65441, 67552, 71774, 75888, 75996, 101184, 101328, 107661, 130882, 135104, 143548, 151776, 151992, 196323, 202656, 215322, 261764, 287096, 303552, 303984, 322983, 392646, 405312, 430644, 523528, 574192, 588969, 607968, 645966, 785292, 861288, 1047056, 1112497, 1148384, 1177938, 1215936, 1291932, 1570584, 1722576, 2094112, 2224994, 2296768, 2355876, 2583864, 3141168, 3337491, 3445152, 4188224, 4449988, 4711752, 5167728, 6282336, 6674982, 6890304, 8899976, 9423504, 10012473, 10335456, 12564672, 13349964, 17799952, 18847008, 20024946, 20670912, 26699928, 35599904, 37694016, 40049892, 53399856, 71199808, 80099784, 106799712, 160199568, 213599424, 320399136, 640798272]

約数ペア:

[(1, 640798272), (2, 320399136), (3, 213599424), (4, 160199568), (6, 106799712), (8, 80099784), (9, 71199808), (12, 53399856), (16, 40049892), (17, 37694016), (18, 35599904), (24, 26699928), (31, 20670912), (32, 20024946), (34, 18847008), (36, 17799952), (48, 13349964), (51, 12564672), (62, 10335456), (64, 10012473), (68, 9423504), (72, 8899976), (93, 6890304), (96, 6674982), (102, 6282336), (124, 5167728), (136, 4711752), (144, 4449988), (153, 4188224), (186, 3445152), (192, 3337491), (204, 3141168), (248, 2583864), (272, 2355876), (279, 2296768), (288, 2224994), (306, 2094112), (372, 1722576), (408, 1570584), (496, 1291932), (527, 1215936), (544, 1177938), (558, 1148384), (576, 1112497), (612, 1047056), (744, 861288), (816, 785292), (992, 645966), (1054, 607968), (1088, 588969), (1116, 574192), (1224, 523528), (1488, 430644), (1581, 405312), (1632, 392646), (1984, 322983), (2108, 303984), (2111, 303552), (2232, 287096), (2448, 261764), (2976, 215322), (3162, 202656), (3264, 196323), (4216, 151992), (4222, 151776), (4464, 143548), (4743, 135104), (4896, 130882), (5952, 107661), (6324, 101328), (6333, 101184), (8432, 75996), (8444, 75888), (8928, 71774), (9486, 67552), (9792, 65441), (12648, 50664), (12666, 50592), (16864, 37998), (16888, 37944), (17856, 35887), (18972, 33776), (18999, 33728), (25296, 25332)]