209960640

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1324

約数の個数: 224

約数和(自身を含む): 780288000

約数和(自身を除く): 570327360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 432, 456, 480, 513, 540, 570, 576, 608, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1216, 1279, 1368, 1440, 1520, 1710, 1728, 1824, 2052, 2160, 2280, 2558, 2565, 2736, 2880, 3040, 3420, 3648, 3837, 4104, 4320, 4560, 5116, 5130, 5472, 6080, 6395, 6840, 7674, 8208, 8640, 9120, 10232, 10260, 10944, 11511, 12790, 13680, 15348, 16416, 18240, 19185, 20464, 20520, 23022, 24301, 25580, 27360, 30696, 32832, 34533, 38370, 40928, 41040, 46044, 48602, 51160, 54720, 57555, 61392, 69066, 72903, 76740, 81856, 82080, 92088, 97204, 102320, 115110, 121505, 122784, 138132, 145806, 153480, 164160, 172665, 184176, 194408, 204640, 218709, 230220, 243010, 245568, 276264, 291612, 306960, 345330, 364515, 368352, 388816, 409280, 437418, 460440, 486020, 552528, 583224, 613920, 656127, 690660, 729030, 736704, 777632, 874836, 920880, 972040, 1093545, 1105056, 1166448, 1227840, 1312254, 1381320, 1458060, 1555264, 1749672, 1841760, 1944080, 2187090, 2210112, 2332896, 2624508, 2762640, 2916120, 3280635, 3499344, 3683520, 3888160, 4374180, 4665792, 5249016, 5525280, 5832240, 6561270, 6998688, 7776320, 8748360, 10498032, 11050560, 11664480, 13122540, 13997376, 17496720, 20996064, 23328960, 26245080, 34993440, 41992128, 52490160, 69986880, 104980320, 209960640]

約数ペア:

[(1, 209960640), (2, 104980320), (3, 69986880), (4, 52490160), (5, 41992128), (6, 34993440), (8, 26245080), (9, 23328960), (10, 20996064), (12, 17496720), (15, 13997376), (16, 13122540), (18, 11664480), (19, 11050560), (20, 10498032), (24, 8748360), (27, 7776320), (30, 6998688), (32, 6561270), (36, 5832240), (38, 5525280), (40, 5249016), (45, 4665792), (48, 4374180), (54, 3888160), (57, 3683520), (60, 3499344), (64, 3280635), (72, 2916120), (76, 2762640), (80, 2624508), (90, 2332896), (95, 2210112), (96, 2187090), (108, 1944080), (114, 1841760), (120, 1749672), (135, 1555264), (144, 1458060), (152, 1381320), (160, 1312254), (171, 1227840), (180, 1166448), (190, 1105056), (192, 1093545), (216, 972040), (228, 920880), (240, 874836), (270, 777632), (285, 736704), (288, 729030), (304, 690660), (320, 656127), (342, 613920), (360, 583224), (380, 552528), (432, 486020), (456, 460440), (480, 437418), (513, 409280), (540, 388816), (570, 368352), (576, 364515), (608, 345330), (684, 306960), (720, 291612), (760, 276264), (855, 245568), (864, 243010), (912, 230220), (960, 218709), (1026, 204640), (1080, 194408), (1140, 184176), (1216, 172665), (1279, 164160), (1368, 153480), (1440, 145806), (1520, 138132), (1710, 122784), (1728, 121505), (1824, 115110), (2052, 102320), (2160, 97204), (2280, 92088), (2558, 82080), (2565, 81856), (2736, 76740), (2880, 72903), (3040, 69066), (3420, 61392), (3648, 57555), (3837, 54720), (4104, 51160), (4320, 48602), (4560, 46044), (5116, 41040), (5130, 40928), (5472, 38370), (6080, 34533), (6395, 32832), (6840, 30696), (7674, 27360), (8208, 25580), (8640, 24301), (9120, 23022), (10232, 20520), (10260, 20464), (10944, 19185), (11511, 18240), (12790, 16416), (13680, 15348)]