81288630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 227635200

約数和(自身を除く): 146346570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 79, 90, 103, 111, 135, 158, 185, 206, 222, 237, 270, 309, 333, 370, 395, 474, 515, 555, 618, 666, 711, 790, 927, 999, 1030, 1110, 1185, 1422, 1545, 1665, 1854, 1998, 2133, 2370, 2781, 2923, 3090, 3330, 3555, 3811, 4266, 4635, 4995, 5562, 5846, 7110, 7622, 8137, 8769, 9270, 9990, 10665, 11433, 13905, 14615, 16274, 17538, 19055, 21330, 22866, 24411, 26307, 27810, 29230, 34299, 38110, 40685, 43845, 48822, 52614, 57165, 68598, 73233, 78921, 81370, 87690, 102897, 114330, 122055, 131535, 146466, 157842, 171495, 205794, 219699, 244110, 263070, 301069, 342990, 366165, 394605, 439398, 514485, 602138, 732330, 789210, 903207, 1028970, 1098495, 1505345, 1806414, 2196990, 2709621, 3010690, 4516035, 5419242, 8128863, 9032070, 13548105, 16257726, 27096210, 40644315, 81288630]

約数ペア:

[(1, 81288630), (2, 40644315), (3, 27096210), (5, 16257726), (6, 13548105), (9, 9032070), (10, 8128863), (15, 5419242), (18, 4516035), (27, 3010690), (30, 2709621), (37, 2196990), (45, 1806414), (54, 1505345), (74, 1098495), (79, 1028970), (90, 903207), (103, 789210), (111, 732330), (135, 602138), (158, 514485), (185, 439398), (206, 394605), (222, 366165), (237, 342990), (270, 301069), (309, 263070), (333, 244110), (370, 219699), (395, 205794), (474, 171495), (515, 157842), (555, 146466), (618, 131535), (666, 122055), (711, 114330), (790, 102897), (927, 87690), (999, 81370), (1030, 78921), (1110, 73233), (1185, 68598), (1422, 57165), (1545, 52614), (1665, 48822), (1854, 43845), (1998, 40685), (2133, 38110), (2370, 34299), (2781, 29230), (2923, 27810), (3090, 26307), (3330, 24411), (3555, 22866), (3811, 21330), (4266, 19055), (4635, 17538), (4995, 16274), (5562, 14615), (5846, 13905), (7110, 11433), (7622, 10665), (8137, 9990), (8769, 9270)]