287385280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 224

約数和(自身を含む): 860267520

約数和(自身を除く): 572882240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 71, 80, 91, 104, 112, 130, 139, 140, 142, 160, 182, 208, 224, 260, 278, 280, 284, 320, 355, 364, 416, 448, 455, 497, 520, 556, 560, 568, 695, 710, 728, 832, 910, 923, 973, 994, 1040, 1112, 1120, 1136, 1390, 1420, 1456, 1807, 1820, 1846, 1946, 1988, 2080, 2224, 2240, 2272, 2485, 2780, 2840, 2912, 3614, 3640, 3692, 3892, 3976, 4160, 4448, 4544, 4615, 4865, 4970, 5560, 5680, 5824, 6461, 7228, 7280, 7384, 7784, 7952, 8896, 9035, 9230, 9730, 9869, 9940, 11120, 11360, 12649, 12922, 14456, 14560, 14768, 15568, 15904, 18070, 18460, 19460, 19738, 19880, 22240, 22720, 25298, 25844, 28912, 29120, 29536, 31136, 31808, 32305, 36140, 36920, 38920, 39476, 39760, 44480, 49345, 50596, 51688, 57824, 59072, 62272, 63245, 64610, 69083, 72280, 73840, 77840, 78952, 79520, 98690, 101192, 103376, 115648, 126490, 128297, 129220, 138166, 144560, 147680, 155680, 157904, 159040, 197380, 202384, 206752, 252980, 256594, 258440, 276332, 289120, 295360, 311360, 315808, 345415, 394760, 404768, 413504, 505960, 513188, 516880, 552664, 578240, 631616, 641485, 690830, 789520, 809536, 898079, 1011920, 1026376, 1033760, 1105328, 1282970, 1381660, 1579040, 1796158, 2023840, 2052752, 2067520, 2210656, 2565940, 2763320, 3158080, 3592316, 4047680, 4105504, 4421312, 4490395, 5131880, 5526640, 7184632, 8211008, 8980790, 10263760, 11053280, 14369264, 17961580, 20527520, 22106560, 28738528, 35923160, 41055040, 57477056, 71846320, 143692640, 287385280]

約数ペア:

[(1, 287385280), (2, 143692640), (4, 71846320), (5, 57477056), (7, 41055040), (8, 35923160), (10, 28738528), (13, 22106560), (14, 20527520), (16, 17961580), (20, 14369264), (26, 11053280), (28, 10263760), (32, 8980790), (35, 8211008), (40, 7184632), (52, 5526640), (56, 5131880), (64, 4490395), (65, 4421312), (70, 4105504), (71, 4047680), (80, 3592316), (91, 3158080), (104, 2763320), (112, 2565940), (130, 2210656), (139, 2067520), (140, 2052752), (142, 2023840), (160, 1796158), (182, 1579040), (208, 1381660), (224, 1282970), (260, 1105328), (278, 1033760), (280, 1026376), (284, 1011920), (320, 898079), (355, 809536), (364, 789520), (416, 690830), (448, 641485), (455, 631616), (497, 578240), (520, 552664), (556, 516880), (560, 513188), (568, 505960), (695, 413504), (710, 404768), (728, 394760), (832, 345415), (910, 315808), (923, 311360), (973, 295360), (994, 289120), (1040, 276332), (1112, 258440), (1120, 256594), (1136, 252980), (1390, 206752), (1420, 202384), (1456, 197380), (1807, 159040), (1820, 157904), (1846, 155680), (1946, 147680), (1988, 144560), (2080, 138166), (2224, 129220), (2240, 128297), (2272, 126490), (2485, 115648), (2780, 103376), (2840, 101192), (2912, 98690), (3614, 79520), (3640, 78952), (3692, 77840), (3892, 73840), (3976, 72280), (4160, 69083), (4448, 64610), (4544, 63245), (4615, 62272), (4865, 59072), (4970, 57824), (5560, 51688), (5680, 50596), (5824, 49345), (6461, 44480), (7228, 39760), (7280, 39476), (7384, 38920), (7784, 36920), (7952, 36140), (8896, 32305), (9035, 31808), (9230, 31136), (9730, 29536), (9869, 29120), (9940, 28912), (11120, 25844), (11360, 25298), (12649, 22720), (12922, 22240), (14456, 19880), (14560, 19738), (14768, 19460), (15568, 18460), (15904, 18070)]