279947520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1325

約数の個数: 216

約数和(自身を含む): 1020364800

約数和(自身を除く): 740417280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 960, 1140, 1152, 1216, 1279, 1280, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2304, 2432, 2558, 2736, 2880, 3040, 3420, 3648, 3837, 3840, 4560, 4864, 5116, 5472, 5760, 6080, 6395, 6840, 7296, 7674, 9120, 10232, 10944, 11511, 11520, 12160, 12790, 13680, 14592, 15348, 18240, 19185, 20464, 21888, 23022, 24301, 24320, 25580, 27360, 30696, 36480, 38370, 40928, 43776, 46044, 48602, 51160, 54720, 57555, 61392, 72903, 72960, 76740, 81856, 92088, 97204, 102320, 109440, 115110, 121505, 122784, 145806, 153480, 163712, 184176, 194408, 204640, 218709, 218880, 230220, 243010, 245568, 291612, 306960, 327424, 364515, 368352, 388816, 409280, 437418, 460440, 486020, 491136, 583224, 613920, 729030, 736704, 777632, 818560, 874836, 920880, 972040, 982272, 1093545, 1166448, 1227840, 1458060, 1473408, 1555264, 1637120, 1749672, 1841760, 1944080, 2187090, 2332896, 2455680, 2916120, 2946816, 3110528, 3499344, 3683520, 3888160, 4374180, 4665792, 4911360, 5832240, 6221056, 6998688, 7367040, 7776320, 8748360, 9331584, 11664480, 13997376, 14734080, 15552640, 17496720, 18663168, 23328960, 27994752, 31105280, 34993440, 46657920, 55989504, 69986880, 93315840, 139973760, 279947520]

約数ペア:

[(1, 279947520), (2, 139973760), (3, 93315840), (4, 69986880), (5, 55989504), (6, 46657920), (8, 34993440), (9, 31105280), (10, 27994752), (12, 23328960), (15, 18663168), (16, 17496720), (18, 15552640), (19, 14734080), (20, 13997376), (24, 11664480), (30, 9331584), (32, 8748360), (36, 7776320), (38, 7367040), (40, 6998688), (45, 6221056), (48, 5832240), (57, 4911360), (60, 4665792), (64, 4374180), (72, 3888160), (76, 3683520), (80, 3499344), (90, 3110528), (95, 2946816), (96, 2916120), (114, 2455680), (120, 2332896), (128, 2187090), (144, 1944080), (152, 1841760), (160, 1749672), (171, 1637120), (180, 1555264), (190, 1473408), (192, 1458060), (228, 1227840), (240, 1166448), (256, 1093545), (285, 982272), (288, 972040), (304, 920880), (320, 874836), (342, 818560), (360, 777632), (380, 736704), (384, 729030), (456, 613920), (480, 583224), (570, 491136), (576, 486020), (608, 460440), (640, 437418), (684, 409280), (720, 388816), (760, 368352), (768, 364515), (855, 327424), (912, 306960), (960, 291612), (1140, 245568), (1152, 243010), (1216, 230220), (1279, 218880), (1280, 218709), (1368, 204640), (1440, 194408), (1520, 184176), (1710, 163712), (1824, 153480), (1920, 145806), (2280, 122784), (2304, 121505), (2432, 115110), (2558, 109440), (2736, 102320), (2880, 97204), (3040, 92088), (3420, 81856), (3648, 76740), (3837, 72960), (3840, 72903), (4560, 61392), (4864, 57555), (5116, 54720), (5472, 51160), (5760, 48602), (6080, 46044), (6395, 43776), (6840, 40928), (7296, 38370), (7674, 36480), (9120, 30696), (10232, 27360), (10944, 25580), (11511, 24320), (11520, 24301), (12160, 23022), (12790, 21888), (13680, 20464), (14592, 19185), (15348, 18240)]