905107840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15541}}^1$

素因数の和:15580

約数の個数: 128

約数和(自身を含む): 2663277120

約数和(自身を除く): 1758169280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5824, 7280, 8320, 11648, 14560, 15541, 29120, 31082, 58240, 62164, 77705, 108787, 124328, 155410, 202033, 217574, 248656, 310820, 404066, 435148, 497312, 543935, 621640, 808132, 870296, 994624, 1010165, 1087870, 1243280, 1414231, 1616264, 1740592, 1989248, 2020330, 2175740, 2486560, 2828462, 3232528, 3481184, 4040660, 4351480, 4973120, 5656924, 6465056, 6962368, 7071155, 8081320, 8702960, 9946240, 11313848, 12930112, 13924736, 14142310, 16162640, 17405920, 22627696, 25860224, 28284620, 32325280, 34811840, 45255392, 56569240, 64650560, 69623680, 90510784, 113138480, 129301120, 181021568, 226276960, 452553920, 905107840]

約数ペア:

[(1, 905107840), (2, 452553920), (4, 226276960), (5, 181021568), (7, 129301120), (8, 113138480), (10, 90510784), (13, 69623680), (14, 64650560), (16, 56569240), (20, 45255392), (26, 34811840), (28, 32325280), (32, 28284620), (35, 25860224), (40, 22627696), (52, 17405920), (56, 16162640), (64, 14142310), (65, 13924736), (70, 12930112), (80, 11313848), (91, 9946240), (104, 8702960), (112, 8081320), (128, 7071155), (130, 6962368), (140, 6465056), (160, 5656924), (182, 4973120), (208, 4351480), (224, 4040660), (260, 3481184), (280, 3232528), (320, 2828462), (364, 2486560), (416, 2175740), (448, 2020330), (455, 1989248), (520, 1740592), (560, 1616264), (640, 1414231), (728, 1243280), (832, 1087870), (896, 1010165), (910, 994624), (1040, 870296), (1120, 808132), (1456, 621640), (1664, 543935), (1820, 497312), (2080, 435148), (2240, 404066), (2912, 310820), (3640, 248656), (4160, 217574), (4480, 202033), (5824, 155410), (7280, 124328), (8320, 108787), (11648, 77705), (14560, 62164), (15541, 58240), (29120, 31082)]