80640768

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 237970656

約数和(自身を除く): 157329888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 41, 48, 52, 64, 78, 82, 96, 104, 123, 128, 156, 164, 192, 197, 208, 246, 256, 312, 328, 384, 394, 416, 492, 533, 591, 624, 656, 768, 788, 832, 984, 1066, 1182, 1248, 1312, 1576, 1599, 1664, 1968, 2132, 2364, 2496, 2561, 2624, 3152, 3198, 3328, 3936, 4264, 4728, 4992, 5122, 5248, 6304, 6396, 7683, 7872, 8077, 8528, 9456, 9984, 10244, 10496, 12608, 12792, 15366, 15744, 16154, 17056, 18912, 20488, 24231, 25216, 25584, 30732, 31488, 32308, 34112, 37824, 40976, 48462, 50432, 51168, 61464, 64616, 68224, 75648, 81952, 96924, 102336, 105001, 122928, 129232, 136448, 151296, 163904, 193848, 204672, 210002, 245856, 258464, 315003, 327808, 387696, 409344, 420004, 491712, 516928, 630006, 655616, 775392, 840008, 983424, 1033856, 1260012, 1550784, 1680016, 1966848, 2067712, 2520024, 3101568, 3360032, 5040048, 6203136, 6720064, 10080096, 13440128, 20160192, 26880256, 40320384, 80640768]

約数ペア:

[(1, 80640768), (2, 40320384), (3, 26880256), (4, 20160192), (6, 13440128), (8, 10080096), (12, 6720064), (13, 6203136), (16, 5040048), (24, 3360032), (26, 3101568), (32, 2520024), (39, 2067712), (41, 1966848), (48, 1680016), (52, 1550784), (64, 1260012), (78, 1033856), (82, 983424), (96, 840008), (104, 775392), (123, 655616), (128, 630006), (156, 516928), (164, 491712), (192, 420004), (197, 409344), (208, 387696), (246, 327808), (256, 315003), (312, 258464), (328, 245856), (384, 210002), (394, 204672), (416, 193848), (492, 163904), (533, 151296), (591, 136448), (624, 129232), (656, 122928), (768, 105001), (788, 102336), (832, 96924), (984, 81952), (1066, 75648), (1182, 68224), (1248, 64616), (1312, 61464), (1576, 51168), (1599, 50432), (1664, 48462), (1968, 40976), (2132, 37824), (2364, 34112), (2496, 32308), (2561, 31488), (2624, 30732), (3152, 25584), (3198, 25216), (3328, 24231), (3936, 20488), (4264, 18912), (4728, 17056), (4992, 16154), (5122, 15744), (5248, 15366), (6304, 12792), (6396, 12608), (7683, 10496), (7872, 10244), (8077, 9984), (8528, 9456)]