672813440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 128

約数和(自身を含む): 1745301600

約数和(自身を除く): 1072488160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 193, 208, 260, 320, 386, 416, 419, 520, 640, 772, 832, 838, 965, 1040, 1544, 1664, 1676, 1930, 2080, 2095, 2509, 3088, 3352, 3860, 4160, 4190, 5018, 5447, 6176, 6704, 7720, 8320, 8380, 10036, 10894, 12352, 12545, 13408, 15440, 16760, 20072, 21788, 24704, 25090, 26816, 27235, 30880, 33520, 40144, 43576, 50180, 53632, 54470, 61760, 67040, 80288, 80867, 87152, 100360, 108940, 123520, 134080, 160576, 161734, 174304, 200720, 217880, 268160, 321152, 323468, 348608, 401440, 404335, 435760, 646936, 697216, 802880, 808670, 871520, 1051271, 1293872, 1605760, 1617340, 1743040, 2102542, 2587744, 3234680, 3486080, 4205084, 5175488, 5256355, 6469360, 8410168, 10350976, 10512710, 12938720, 16820336, 21025420, 25877440, 33640672, 42050840, 51754880, 67281344, 84101680, 134562688, 168203360, 336406720, 672813440]

約数ペア:

[(1, 672813440), (2, 336406720), (4, 168203360), (5, 134562688), (8, 84101680), (10, 67281344), (13, 51754880), (16, 42050840), (20, 33640672), (26, 25877440), (32, 21025420), (40, 16820336), (52, 12938720), (64, 10512710), (65, 10350976), (80, 8410168), (104, 6469360), (128, 5256355), (130, 5175488), (160, 4205084), (193, 3486080), (208, 3234680), (260, 2587744), (320, 2102542), (386, 1743040), (416, 1617340), (419, 1605760), (520, 1293872), (640, 1051271), (772, 871520), (832, 808670), (838, 802880), (965, 697216), (1040, 646936), (1544, 435760), (1664, 404335), (1676, 401440), (1930, 348608), (2080, 323468), (2095, 321152), (2509, 268160), (3088, 217880), (3352, 200720), (3860, 174304), (4160, 161734), (4190, 160576), (5018, 134080), (5447, 123520), (6176, 108940), (6704, 100360), (7720, 87152), (8320, 80867), (8380, 80288), (10036, 67040), (10894, 61760), (12352, 54470), (12545, 53632), (13408, 50180), (15440, 43576), (16760, 40144), (20072, 33520), (21788, 30880), (24704, 27235), (25090, 26816)]