640706304

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{119179}}^1$

素因数の和:119205

約数の個数: 72

約数和(自身を含む): 1948831360

約数和(自身を除く): 1308125056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 5376, 119179, 238358, 357537, 476716, 715074, 834253, 953432, 1430148, 1668506, 1906864, 2502759, 2860296, 3337012, 3813728, 5005518, 5720592, 6674024, 7627456, 10011036, 11441184, 13348048, 15254912, 20022072, 22882368, 26696096, 30509824, 40044144, 45764736, 53392192, 80088288, 91529472, 106784384, 160176576, 213568768, 320353152, 640706304]

約数ペア:

[(1, 640706304), (2, 320353152), (3, 213568768), (4, 160176576), (6, 106784384), (7, 91529472), (8, 80088288), (12, 53392192), (14, 45764736), (16, 40044144), (21, 30509824), (24, 26696096), (28, 22882368), (32, 20022072), (42, 15254912), (48, 13348048), (56, 11441184), (64, 10011036), (84, 7627456), (96, 6674024), (112, 5720592), (128, 5005518), (168, 3813728), (192, 3337012), (224, 2860296), (256, 2502759), (336, 1906864), (384, 1668506), (448, 1430148), (672, 953432), (768, 834253), (896, 715074), (1344, 476716), (1792, 357537), (2688, 238358), (5376, 119179)]