640053216

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{18367}}^1$

素因数の和:18405

約数の個数: 108

約数和(自身を含む): 2000771136

約数和(自身を除く): 1360717920

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 121, 132, 144, 176, 198, 242, 264, 288, 352, 363, 396, 484, 528, 726, 792, 968, 1056, 1089, 1452, 1584, 1936, 2178, 2904, 3168, 3872, 4356, 5808, 8712, 11616, 17424, 18367, 34848, 36734, 55101, 73468, 110202, 146936, 165303, 202037, 220404, 293872, 330606, 404074, 440808, 587744, 606111, 661212, 808148, 881616, 1212222, 1322424, 1616296, 1763232, 1818333, 2222407, 2424444, 2644848, 3232592, 3636666, 4444814, 4848888, 5289696, 6465184, 6667221, 7273332, 8889628, 9697776, 13334442, 14546664, 17779256, 19395552, 20001663, 26668884, 29093328, 35558512, 40003326, 53337768, 58186656, 71117024, 80006652, 106675536, 160013304, 213351072, 320026608, 640053216]

約数ペア:

[(1, 640053216), (2, 320026608), (3, 213351072), (4, 160013304), (6, 106675536), (8, 80006652), (9, 71117024), (11, 58186656), (12, 53337768), (16, 40003326), (18, 35558512), (22, 29093328), (24, 26668884), (32, 20001663), (33, 19395552), (36, 17779256), (44, 14546664), (48, 13334442), (66, 9697776), (72, 8889628), (88, 7273332), (96, 6667221), (99, 6465184), (121, 5289696), (132, 4848888), (144, 4444814), (176, 3636666), (198, 3232592), (242, 2644848), (264, 2424444), (288, 2222407), (352, 1818333), (363, 1763232), (396, 1616296), (484, 1322424), (528, 1212222), (726, 881616), (792, 808148), (968, 661212), (1056, 606111), (1089, 587744), (1452, 440808), (1584, 404074), (1936, 330606), (2178, 293872), (2904, 220404), (3168, 202037), (3872, 165303), (4356, 146936), (5808, 110202), (8712, 73468), (11616, 55101), (17424, 36734), (18367, 34848)]