787161440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:761

約数の個数: 144

約数和(自身を含む): 2063598768

約数和(自身を除く): 1276437328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 169, 172, 208, 215, 260, 338, 344, 416, 430, 520, 559, 676, 677, 688, 845, 860, 1040, 1118, 1352, 1354, 1376, 1690, 1720, 2080, 2236, 2704, 2708, 2795, 3380, 3385, 3440, 4472, 5408, 5416, 5590, 6760, 6770, 6880, 7267, 8801, 8944, 10832, 11180, 13520, 13540, 14534, 17602, 17888, 21664, 22360, 27040, 27080, 29068, 29111, 35204, 36335, 44005, 44720, 54160, 58136, 58222, 70408, 72670, 88010, 89440, 108320, 114413, 116272, 116444, 140816, 145340, 145555, 176020, 228826, 232544, 232888, 281632, 290680, 291110, 352040, 378443, 457652, 465776, 572065, 581360, 582220, 704080, 756886, 915304, 931552, 1144130, 1162720, 1164440, 1408160, 1513772, 1830608, 1892215, 2288260, 2328880, 3027544, 3661216, 3784430, 4576520, 4657760, 4919759, 6055088, 7568860, 9153040, 9839518, 12110176, 15137720, 18306080, 19679036, 24598795, 30275440, 39358072, 49197590, 60550880, 78716144, 98395180, 157432288, 196790360, 393580720, 787161440]

約数ペア:

[(1, 787161440), (2, 393580720), (4, 196790360), (5, 157432288), (8, 98395180), (10, 78716144), (13, 60550880), (16, 49197590), (20, 39358072), (26, 30275440), (32, 24598795), (40, 19679036), (43, 18306080), (52, 15137720), (65, 12110176), (80, 9839518), (86, 9153040), (104, 7568860), (130, 6055088), (160, 4919759), (169, 4657760), (172, 4576520), (208, 3784430), (215, 3661216), (260, 3027544), (338, 2328880), (344, 2288260), (416, 1892215), (430, 1830608), (520, 1513772), (559, 1408160), (676, 1164440), (677, 1162720), (688, 1144130), (845, 931552), (860, 915304), (1040, 756886), (1118, 704080), (1352, 582220), (1354, 581360), (1376, 572065), (1690, 465776), (1720, 457652), (2080, 378443), (2236, 352040), (2704, 291110), (2708, 290680), (2795, 281632), (3380, 232888), (3385, 232544), (3440, 228826), (4472, 176020), (5408, 145555), (5416, 145340), (5590, 140816), (6760, 116444), (6770, 116272), (6880, 114413), (7267, 108320), (8801, 89440), (8944, 88010), (10832, 72670), (11180, 70408), (13520, 58222), (13540, 58136), (14534, 54160), (17602, 44720), (17888, 44005), (21664, 36335), (22360, 35204), (27040, 29111), (27080, 29068)]