768999040

素因数分解:

$2^7\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2221}}^1$

素因数の和:2781

約数の個数: 64

約数和(自身を含む): 1842615720

約数和(自身を除く): 1073616680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 541, 640, 1082, 2164, 2221, 2705, 4328, 4442, 5410, 8656, 8884, 10820, 11105, 17312, 17768, 21640, 22210, 34624, 35536, 43280, 44420, 69248, 71072, 86560, 88840, 142144, 173120, 177680, 284288, 346240, 355360, 710720, 1201561, 1421440, 2403122, 4806244, 6007805, 9612488, 12015610, 19224976, 24031220, 38449952, 48062440, 76899904, 96124880, 153799808, 192249760, 384499520, 768999040]

約数ペア:

[(1, 768999040), (2, 384499520), (4, 192249760), (5, 153799808), (8, 96124880), (10, 76899904), (16, 48062440), (20, 38449952), (32, 24031220), (40, 19224976), (64, 12015610), (80, 9612488), (128, 6007805), (160, 4806244), (320, 2403122), (541, 1421440), (640, 1201561), (1082, 710720), (2164, 355360), (2221, 346240), (2705, 284288), (4328, 177680), (4442, 173120), (5410, 142144), (8656, 88840), (8884, 86560), (10820, 71072), (11105, 69248), (17312, 44420), (17768, 43280), (21640, 35536), (22210, 34624)]