345341440

素因数分解:

$2^9\times 5^1\times {\mathrm{277}}^1\times {\mathrm{487}}^1$

素因数の和:787

約数の個数: 80

約数和(自身を含む): 832705632

約数和(自身を除く): 487364192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 277, 320, 487, 512, 554, 640, 974, 1108, 1280, 1385, 1948, 2216, 2435, 2560, 2770, 3896, 4432, 4870, 5540, 7792, 8864, 9740, 11080, 15584, 17728, 19480, 22160, 31168, 35456, 38960, 44320, 62336, 70912, 77920, 88640, 124672, 134899, 141824, 155840, 177280, 249344, 269798, 311680, 354560, 539596, 623360, 674495, 709120, 1079192, 1246720, 1348990, 2158384, 2697980, 4316768, 5395960, 8633536, 10791920, 17267072, 21583840, 34534144, 43167680, 69068288, 86335360, 172670720, 345341440]

約数ペア:

[(1, 345341440), (2, 172670720), (4, 86335360), (5, 69068288), (8, 43167680), (10, 34534144), (16, 21583840), (20, 17267072), (32, 10791920), (40, 8633536), (64, 5395960), (80, 4316768), (128, 2697980), (160, 2158384), (256, 1348990), (277, 1246720), (320, 1079192), (487, 709120), (512, 674495), (554, 623360), (640, 539596), (974, 354560), (1108, 311680), (1280, 269798), (1385, 249344), (1948, 177280), (2216, 155840), (2435, 141824), (2560, 134899), (2770, 124672), (3896, 88640), (4432, 77920), (4870, 70912), (5540, 62336), (7792, 44320), (8864, 38960), (9740, 35456), (11080, 31168), (15584, 22160), (17728, 19480)]