640364032

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:512

約数の個数: 160

約数和(自身を含む): 1642037760

約数和(自身を除く): 1001673728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 64, 74, 77, 88, 112, 128, 148, 154, 176, 224, 256, 259, 296, 308, 352, 407, 439, 448, 512, 518, 592, 616, 704, 814, 878, 896, 1036, 1184, 1232, 1408, 1628, 1756, 1792, 2072, 2368, 2464, 2816, 2849, 3073, 3256, 3512, 3584, 4144, 4736, 4829, 4928, 5632, 5698, 6146, 6512, 7024, 8288, 9472, 9658, 9856, 11396, 12292, 13024, 14048, 16243, 16576, 18944, 19316, 19712, 22792, 24584, 26048, 28096, 32486, 33152, 33803, 38632, 39424, 45584, 49168, 52096, 56192, 64972, 66304, 67606, 77264, 91168, 98336, 104192, 112384, 113701, 129944, 132608, 135212, 154528, 178673, 182336, 196672, 208384, 224768, 227402, 259888, 270424, 309056, 357346, 364672, 393344, 454804, 519776, 540848, 618112, 714692, 729344, 786688, 909608, 1039552, 1081696, 1236224, 1250711, 1429384, 1458688, 1573376, 1819216, 2079104, 2163392, 2472448, 2501422, 2858768, 3638432, 4158208, 4326784, 5002844, 5717536, 7276864, 8316416, 8653568, 10005688, 11435072, 14553728, 17307136, 20011376, 22870144, 29107456, 40022752, 45740288, 58214912, 80045504, 91480576, 160091008, 320182016, 640364032]

約数ペア:

[(1, 640364032), (2, 320182016), (4, 160091008), (7, 91480576), (8, 80045504), (11, 58214912), (14, 45740288), (16, 40022752), (22, 29107456), (28, 22870144), (32, 20011376), (37, 17307136), (44, 14553728), (56, 11435072), (64, 10005688), (74, 8653568), (77, 8316416), (88, 7276864), (112, 5717536), (128, 5002844), (148, 4326784), (154, 4158208), (176, 3638432), (224, 2858768), (256, 2501422), (259, 2472448), (296, 2163392), (308, 2079104), (352, 1819216), (407, 1573376), (439, 1458688), (448, 1429384), (512, 1250711), (518, 1236224), (592, 1081696), (616, 1039552), (704, 909608), (814, 786688), (878, 729344), (896, 714692), (1036, 618112), (1184, 540848), (1232, 519776), (1408, 454804), (1628, 393344), (1756, 364672), (1792, 357346), (2072, 309056), (2368, 270424), (2464, 259888), (2816, 227402), (2849, 224768), (3073, 208384), (3256, 196672), (3512, 182336), (3584, 178673), (4144, 154528), (4736, 135212), (4829, 132608), (4928, 129944), (5632, 113701), (5698, 112384), (6146, 104192), (6512, 98336), (7024, 91168), (8288, 77264), (9472, 67606), (9658, 66304), (9856, 64972), (11396, 56192), (12292, 52096), (13024, 49168), (14048, 45584), (16243, 39424), (16576, 38632), (18944, 33803), (19316, 33152), (19712, 32486), (22792, 28096), (24584, 26048)]