205493760

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{991}}^1$

素因数の和:1026

約数の個数: 200

約数和(自身を含む): 736756416

約数和(自身を除く): 531262656

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 991, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1982, 2160, 2304, 2560, 2592, 2880, 2973, 3240, 3456, 3840, 3964, 4320, 4608, 4955, 5184, 5760, 5946, 6480, 6912, 7680, 7928, 8640, 8919, 9910, 10368, 11520, 11892, 12960, 13824, 14865, 15856, 17280, 17838, 19820, 20736, 23040, 23784, 25920, 26757, 29730, 31712, 34560, 35676, 39640, 41472, 44595, 47568, 51840, 53514, 59460, 63424, 69120, 71352, 79280, 80271, 89190, 95136, 103680, 107028, 118920, 126848, 133785, 142704, 158560, 160542, 178380, 190272, 207360, 214056, 237840, 253696, 267570, 285408, 317120, 321084, 356760, 380544, 401355, 428112, 475680, 507392, 535140, 570816, 634240, 642168, 713520, 761088, 802710, 856224, 951360, 1070280, 1141632, 1268480, 1284336, 1427040, 1522176, 1605420, 1712448, 1902720, 2140560, 2283264, 2536960, 2568672, 2854080, 3210840, 3424896, 3805440, 4281120, 4566528, 5137344, 5708160, 6421680, 6849792, 7610880, 8562240, 10274688, 11416320, 12843360, 13699584, 17124480, 20549376, 22832640, 25686720, 34248960, 41098752, 51373440, 68497920, 102746880, 205493760]

約数ペア:

[(1, 205493760), (2, 102746880), (3, 68497920), (4, 51373440), (5, 41098752), (6, 34248960), (8, 25686720), (9, 22832640), (10, 20549376), (12, 17124480), (15, 13699584), (16, 12843360), (18, 11416320), (20, 10274688), (24, 8562240), (27, 7610880), (30, 6849792), (32, 6421680), (36, 5708160), (40, 5137344), (45, 4566528), (48, 4281120), (54, 3805440), (60, 3424896), (64, 3210840), (72, 2854080), (80, 2568672), (81, 2536960), (90, 2283264), (96, 2140560), (108, 1902720), (120, 1712448), (128, 1605420), (135, 1522176), (144, 1427040), (160, 1284336), (162, 1268480), (180, 1141632), (192, 1070280), (216, 951360), (240, 856224), (256, 802710), (270, 761088), (288, 713520), (320, 642168), (324, 634240), (360, 570816), (384, 535140), (405, 507392), (432, 475680), (480, 428112), (512, 401355), (540, 380544), (576, 356760), (640, 321084), (648, 317120), (720, 285408), (768, 267570), (810, 253696), (864, 237840), (960, 214056), (991, 207360), (1080, 190272), (1152, 178380), (1280, 160542), (1296, 158560), (1440, 142704), (1536, 133785), (1620, 126848), (1728, 118920), (1920, 107028), (1982, 103680), (2160, 95136), (2304, 89190), (2560, 80271), (2592, 79280), (2880, 71352), (2973, 69120), (3240, 63424), (3456, 59460), (3840, 53514), (3964, 51840), (4320, 47568), (4608, 44595), (4955, 41472), (5184, 39640), (5760, 35676), (5946, 34560), (6480, 31712), (6912, 29730), (7680, 26757), (7928, 25920), (8640, 23784), (8919, 23040), (9910, 20736), (10368, 19820), (11520, 17838), (11892, 17280), (12960, 15856), (13824, 14865)]