81194960

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{269}}^1$

素因数の和:314

約数の個数: 160

約数和(自身を含む): 241056000

約数和(自身を除く): 159861040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 269, 280, 308, 343, 385, 392, 440, 490, 538, 539, 560, 616, 686, 770, 784, 880, 980, 1076, 1078, 1232, 1345, 1372, 1540, 1715, 1883, 1960, 2152, 2156, 2690, 2695, 2744, 2959, 3080, 3430, 3766, 3773, 3920, 4304, 4312, 5380, 5390, 5488, 5918, 6160, 6860, 7532, 7546, 8624, 9415, 10760, 10780, 11836, 13181, 13720, 14795, 15064, 15092, 18830, 18865, 20713, 21520, 21560, 23672, 26362, 27440, 29590, 30128, 30184, 37660, 37730, 41426, 43120, 47344, 52724, 59180, 60368, 65905, 75320, 75460, 82852, 92267, 103565, 105448, 118360, 131810, 144991, 150640, 150920, 165704, 184534, 207130, 210896, 236720, 263620, 289982, 301840, 331408, 369068, 414260, 461335, 527240, 579964, 724955, 738136, 828520, 922670, 1014937, 1054480, 1159928, 1449910, 1476272, 1657040, 1845340, 2029874, 2319856, 2899820, 3690680, 4059748, 5074685, 5799640, 7381360, 8119496, 10149370, 11599280, 16238992, 20298740, 40597480, 81194960]

約数ペア:

[(1, 81194960), (2, 40597480), (4, 20298740), (5, 16238992), (7, 11599280), (8, 10149370), (10, 8119496), (11, 7381360), (14, 5799640), (16, 5074685), (20, 4059748), (22, 3690680), (28, 2899820), (35, 2319856), (40, 2029874), (44, 1845340), (49, 1657040), (55, 1476272), (56, 1449910), (70, 1159928), (77, 1054480), (80, 1014937), (88, 922670), (98, 828520), (110, 738136), (112, 724955), (140, 579964), (154, 527240), (176, 461335), (196, 414260), (220, 369068), (245, 331408), (269, 301840), (280, 289982), (308, 263620), (343, 236720), (385, 210896), (392, 207130), (440, 184534), (490, 165704), (538, 150920), (539, 150640), (560, 144991), (616, 131810), (686, 118360), (770, 105448), (784, 103565), (880, 92267), (980, 82852), (1076, 75460), (1078, 75320), (1232, 65905), (1345, 60368), (1372, 59180), (1540, 52724), (1715, 47344), (1883, 43120), (1960, 41426), (2152, 37730), (2156, 37660), (2690, 30184), (2695, 30128), (2744, 29590), (2959, 27440), (3080, 26362), (3430, 23672), (3766, 21560), (3773, 21520), (3920, 20713), (4304, 18865), (4312, 18830), (5380, 15092), (5390, 15064), (5488, 14795), (5918, 13720), (6160, 13181), (6860, 11836), (7532, 10780), (7546, 10760), (8624, 9415)]