646919680

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22973}}^1$

素因数の和:23007

約数の個数: 80

約数和(自身を含む): 1692172944

約数和(自身を除く): 1045253264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 14080, 22973, 28160, 45946, 91892, 114865, 183784, 229730, 252703, 367568, 459460, 505406, 735136, 918920, 1010812, 1263515, 1470272, 1837840, 2021624, 2527030, 2940544, 3675680, 4043248, 5054060, 5881088, 7351360, 8086496, 10108120, 11762176, 14702720, 16172992, 20216240, 29405440, 32345984, 40432480, 58810880, 64691968, 80864960, 129383936, 161729920, 323459840, 646919680]

約数ペア:

[(1, 646919680), (2, 323459840), (4, 161729920), (5, 129383936), (8, 80864960), (10, 64691968), (11, 58810880), (16, 40432480), (20, 32345984), (22, 29405440), (32, 20216240), (40, 16172992), (44, 14702720), (55, 11762176), (64, 10108120), (80, 8086496), (88, 7351360), (110, 5881088), (128, 5054060), (160, 4043248), (176, 3675680), (220, 2940544), (256, 2527030), (320, 2021624), (352, 1837840), (440, 1470272), (512, 1263515), (640, 1010812), (704, 918920), (880, 735136), (1280, 505406), (1408, 459460), (1760, 367568), (2560, 252703), (2816, 229730), (3520, 183784), (5632, 114865), (7040, 91892), (14080, 45946), (22973, 28160)]