68497920

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{991}}^1$

素因数の和:1023

約数の個数: 160

約数和(自身を含む): 243555840

約数和(自身を除く): 175057920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 991, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 1982, 2160, 2304, 2560, 2880, 2973, 3456, 3840, 3964, 4320, 4608, 4955, 5760, 5946, 6912, 7680, 7928, 8640, 8919, 9910, 11520, 11892, 13824, 14865, 15856, 17280, 17838, 19820, 23040, 23784, 26757, 29730, 31712, 34560, 35676, 39640, 44595, 47568, 53514, 59460, 63424, 69120, 71352, 79280, 89190, 95136, 107028, 118920, 126848, 133785, 142704, 158560, 178380, 190272, 214056, 237840, 253696, 267570, 285408, 317120, 356760, 380544, 428112, 475680, 507392, 535140, 570816, 634240, 713520, 761088, 856224, 951360, 1070280, 1141632, 1268480, 1427040, 1522176, 1712448, 1902720, 2140560, 2283264, 2536960, 2854080, 3424896, 3805440, 4281120, 4566528, 5708160, 6849792, 7610880, 8562240, 11416320, 13699584, 17124480, 22832640, 34248960, 68497920]

約数ペア:

[(1, 68497920), (2, 34248960), (3, 22832640), (4, 17124480), (5, 13699584), (6, 11416320), (8, 8562240), (9, 7610880), (10, 6849792), (12, 5708160), (15, 4566528), (16, 4281120), (18, 3805440), (20, 3424896), (24, 2854080), (27, 2536960), (30, 2283264), (32, 2140560), (36, 1902720), (40, 1712448), (45, 1522176), (48, 1427040), (54, 1268480), (60, 1141632), (64, 1070280), (72, 951360), (80, 856224), (90, 761088), (96, 713520), (108, 634240), (120, 570816), (128, 535140), (135, 507392), (144, 475680), (160, 428112), (180, 380544), (192, 356760), (216, 317120), (240, 285408), (256, 267570), (270, 253696), (288, 237840), (320, 214056), (360, 190272), (384, 178380), (432, 158560), (480, 142704), (512, 133785), (540, 126848), (576, 118920), (640, 107028), (720, 95136), (768, 89190), (864, 79280), (960, 71352), (991, 69120), (1080, 63424), (1152, 59460), (1280, 53514), (1440, 47568), (1536, 44595), (1728, 39640), (1920, 35676), (1982, 34560), (2160, 31712), (2304, 29730), (2560, 26757), (2880, 23784), (2973, 23040), (3456, 19820), (3840, 17838), (3964, 17280), (4320, 15856), (4608, 14865), (4955, 13824), (5760, 11892), (5946, 11520), (6912, 9910), (7680, 8919), (7928, 8640)]