216768864

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 144

約数和(自身を含む): 637507584

約数和(自身を除く): 420738720

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 78, 93, 96, 104, 124, 156, 169, 186, 208, 248, 312, 338, 372, 403, 416, 431, 496, 507, 624, 676, 744, 806, 862, 992, 1014, 1209, 1248, 1293, 1352, 1488, 1612, 1724, 2028, 2418, 2586, 2704, 2976, 3224, 3448, 4056, 4836, 5172, 5239, 5408, 5603, 6448, 6896, 8112, 9672, 10344, 10478, 11206, 12896, 13361, 13792, 15717, 16224, 16809, 19344, 20688, 20956, 22412, 26722, 31434, 33618, 38688, 40083, 41376, 41912, 44824, 53444, 62868, 67236, 72839, 80166, 83824, 89648, 106888, 125736, 134472, 145678, 160332, 167648, 173693, 179296, 213776, 218517, 251472, 268944, 291356, 320664, 347386, 427552, 437034, 502944, 521079, 537888, 582712, 641328, 694772, 874068, 1042158, 1165424, 1282656, 1389544, 1748136, 2084316, 2258009, 2330848, 2779088, 3496272, 4168632, 4516018, 5558176, 6774027, 6992544, 8337264, 9032036, 13548054, 16674528, 18064072, 27096108, 36128144, 54192216, 72256288, 108384432, 216768864]

約数ペア:

[(1, 216768864), (2, 108384432), (3, 72256288), (4, 54192216), (6, 36128144), (8, 27096108), (12, 18064072), (13, 16674528), (16, 13548054), (24, 9032036), (26, 8337264), (31, 6992544), (32, 6774027), (39, 5558176), (48, 4516018), (52, 4168632), (62, 3496272), (78, 2779088), (93, 2330848), (96, 2258009), (104, 2084316), (124, 1748136), (156, 1389544), (169, 1282656), (186, 1165424), (208, 1042158), (248, 874068), (312, 694772), (338, 641328), (372, 582712), (403, 537888), (416, 521079), (431, 502944), (496, 437034), (507, 427552), (624, 347386), (676, 320664), (744, 291356), (806, 268944), (862, 251472), (992, 218517), (1014, 213776), (1209, 179296), (1248, 173693), (1293, 167648), (1352, 160332), (1488, 145678), (1612, 134472), (1724, 125736), (2028, 106888), (2418, 89648), (2586, 83824), (2704, 80166), (2976, 72839), (3224, 67236), (3448, 62868), (4056, 53444), (4836, 44824), (5172, 41912), (5239, 41376), (5408, 40083), (5603, 38688), (6448, 33618), (6896, 31434), (8112, 26722), (9672, 22412), (10344, 20956), (10478, 20688), (11206, 19344), (12896, 16809), (13361, 16224), (13792, 15717)]