639936864

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:498

約数の個数: 216

約数和(自身を含む): 2138828328

約数和(自身を除く): 1498891464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 137, 144, 147, 168, 196, 224, 252, 274, 288, 294, 331, 336, 392, 411, 441, 504, 548, 588, 662, 672, 784, 822, 882, 959, 993, 1008, 1096, 1176, 1233, 1324, 1568, 1644, 1764, 1918, 1986, 2016, 2192, 2317, 2352, 2466, 2648, 2877, 2979, 3288, 3528, 3836, 3972, 4384, 4634, 4704, 4932, 5296, 5754, 5958, 6576, 6713, 6951, 7056, 7672, 7944, 8631, 9268, 9864, 10592, 11508, 11916, 13152, 13426, 13902, 14112, 15344, 15888, 16219, 17262, 18536, 19728, 20139, 20853, 23016, 23832, 26852, 27804, 30688, 31776, 32438, 34524, 37072, 39456, 40278, 41706, 45347, 46032, 47664, 48657, 53704, 55608, 60417, 64876, 69048, 74144, 80556, 83412, 90694, 92064, 95328, 97314, 107408, 111216, 120834, 129752, 136041, 138096, 145971, 161112, 166824, 181388, 194628, 214816, 222432, 241668, 259504, 272082, 276192, 291942, 317429, 322224, 333648, 362776, 389256, 408123, 483336, 519008, 544164, 583884, 634858, 644448, 667296, 725552, 778512, 816246, 952287, 966672, 1088328, 1167768, 1269716, 1451104, 1557024, 1632492, 1904574, 1933344, 2176656, 2222003, 2335536, 2539432, 2856861, 3264984, 3809148, 4353312, 4444006, 4671072, 5078864, 5713722, 6529968, 6666009, 7618296, 8888012, 10157728, 11427444, 13059936, 13332018, 15236592, 17776024, 19998027, 22854888, 26664036, 30473184, 35552048, 39996054, 45709776, 53328072, 71104096, 79992108, 91419552, 106656144, 159984216, 213312288, 319968432, 639936864]

約数ペア:

[(1, 639936864), (2, 319968432), (3, 213312288), (4, 159984216), (6, 106656144), (7, 91419552), (8, 79992108), (9, 71104096), (12, 53328072), (14, 45709776), (16, 39996054), (18, 35552048), (21, 30473184), (24, 26664036), (28, 22854888), (32, 19998027), (36, 17776024), (42, 15236592), (48, 13332018), (49, 13059936), (56, 11427444), (63, 10157728), (72, 8888012), (84, 7618296), (96, 6666009), (98, 6529968), (112, 5713722), (126, 5078864), (137, 4671072), (144, 4444006), (147, 4353312), (168, 3809148), (196, 3264984), (224, 2856861), (252, 2539432), (274, 2335536), (288, 2222003), (294, 2176656), (331, 1933344), (336, 1904574), (392, 1632492), (411, 1557024), (441, 1451104), (504, 1269716), (548, 1167768), (588, 1088328), (662, 966672), (672, 952287), (784, 816246), (822, 778512), (882, 725552), (959, 667296), (993, 644448), (1008, 634858), (1096, 583884), (1176, 544164), (1233, 519008), (1324, 483336), (1568, 408123), (1644, 389256), (1764, 362776), (1918, 333648), (1986, 322224), (2016, 317429), (2192, 291942), (2317, 276192), (2352, 272082), (2466, 259504), (2648, 241668), (2877, 222432), (2979, 214816), (3288, 194628), (3528, 181388), (3836, 166824), (3972, 161112), (4384, 145971), (4634, 138096), (4704, 136041), (4932, 129752), (5296, 120834), (5754, 111216), (5958, 107408), (6576, 97314), (6713, 95328), (6951, 92064), (7056, 90694), (7672, 83412), (7944, 80556), (8631, 74144), (9268, 69048), (9864, 64876), (10592, 60417), (11508, 55608), (11916, 53704), (13152, 48657), (13426, 47664), (13902, 46032), (14112, 45347), (15344, 41706), (15888, 40278), (16219, 39456), (17262, 37072), (18536, 34524), (19728, 32438), (20139, 31776), (20853, 30688), (23016, 27804), (23832, 26852)]