638702928

素因数分解:

$2^4\times 3^3\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:526

約数の個数: 160

約数和(自身を含む): 1899878400

約数和(自身を除く): 1261175472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 72, 83, 94, 108, 141, 144, 166, 188, 216, 249, 282, 332, 376, 379, 423, 432, 498, 564, 664, 747, 752, 758, 846, 996, 1128, 1137, 1269, 1328, 1494, 1516, 1692, 1992, 2241, 2256, 2274, 2538, 2988, 3032, 3384, 3411, 3901, 3984, 4482, 4548, 5076, 5976, 6064, 6768, 6822, 7802, 8964, 9096, 10152, 10233, 11703, 11952, 13644, 15604, 17813, 17928, 18192, 20304, 20466, 23406, 27288, 31208, 31457, 35109, 35626, 35856, 40932, 46812, 53439, 54576, 62416, 62914, 70218, 71252, 81864, 93624, 94371, 105327, 106878, 125828, 140436, 142504, 160317, 163728, 187248, 188742, 210654, 213756, 251656, 280872, 283113, 285008, 320634, 377484, 421308, 427512, 480951, 503312, 561744, 566226, 641268, 754968, 842616, 849339, 855024, 961902, 1132452, 1282536, 1478479, 1509936, 1685232, 1698678, 1923804, 2264904, 2565072, 2956958, 3397356, 3847608, 4435437, 4529808, 5913916, 6794712, 7695216, 8870874, 11827832, 13306311, 13589424, 17741748, 23655664, 26612622, 35483496, 39918933, 53225244, 70966992, 79837866, 106450488, 159675732, 212900976, 319351464, 638702928]

約数ペア:

[(1, 638702928), (2, 319351464), (3, 212900976), (4, 159675732), (6, 106450488), (8, 79837866), (9, 70966992), (12, 53225244), (16, 39918933), (18, 35483496), (24, 26612622), (27, 23655664), (36, 17741748), (47, 13589424), (48, 13306311), (54, 11827832), (72, 8870874), (83, 7695216), (94, 6794712), (108, 5913916), (141, 4529808), (144, 4435437), (166, 3847608), (188, 3397356), (216, 2956958), (249, 2565072), (282, 2264904), (332, 1923804), (376, 1698678), (379, 1685232), (423, 1509936), (432, 1478479), (498, 1282536), (564, 1132452), (664, 961902), (747, 855024), (752, 849339), (758, 842616), (846, 754968), (996, 641268), (1128, 566226), (1137, 561744), (1269, 503312), (1328, 480951), (1494, 427512), (1516, 421308), (1692, 377484), (1992, 320634), (2241, 285008), (2256, 283113), (2274, 280872), (2538, 251656), (2988, 213756), (3032, 210654), (3384, 188742), (3411, 187248), (3901, 163728), (3984, 160317), (4482, 142504), (4548, 140436), (5076, 125828), (5976, 106878), (6064, 105327), (6768, 94371), (6822, 93624), (7802, 81864), (8964, 71252), (9096, 70218), (10152, 62914), (10233, 62416), (11703, 54576), (11952, 53439), (13644, 46812), (15604, 40932), (17813, 35856), (17928, 35626), (18192, 35109), (20304, 31457), (20466, 31208), (23406, 27288)]