240865920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:344

約数の個数: 256

約数和(自身を含む): 872467200

約数和(自身を除く): 631601280

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, 53, 54, 60, 64, 72, 80, 90, 96, 106, 108, 120, 128, 135, 144, 159, 160, 180, 192, 212, 216, 240, 263, 265, 270, 288, 318, 320, 360, 384, 424, 432, 477, 480, 526, 530, 540, 576, 636, 640, 720, 789, 795, 848, 864, 954, 960, 1052, 1060, 1080, 1152, 1272, 1315, 1431, 1440, 1578, 1590, 1696, 1728, 1908, 1920, 2104, 2120, 2160, 2367, 2385, 2544, 2630, 2862, 2880, 3156, 3180, 3392, 3456, 3816, 3945, 4208, 4240, 4320, 4734, 4770, 5088, 5260, 5724, 5760, 6312, 6360, 6784, 7101, 7155, 7632, 7890, 8416, 8480, 8640, 9468, 9540, 10176, 10520, 11448, 11835, 12624, 12720, 13939, 14202, 14310, 15264, 15780, 16832, 16960, 17280, 18936, 19080, 20352, 21040, 22896, 23670, 25248, 25440, 27878, 28404, 28620, 30528, 31560, 33664, 33920, 35505, 37872, 38160, 41817, 42080, 45792, 47340, 50496, 50880, 55756, 56808, 57240, 61056, 63120, 69695, 71010, 75744, 76320, 83634, 84160, 91584, 94680, 100992, 101760, 111512, 113616, 114480, 125451, 126240, 139390, 142020, 151488, 152640, 167268, 168320, 183168, 189360, 209085, 223024, 227232, 228960, 250902, 252480, 278780, 284040, 302976, 305280, 334536, 376353, 378720, 418170, 446048, 454464, 457920, 501804, 504960, 557560, 568080, 627255, 669072, 752706, 757440, 836340, 892096, 908928, 915840, 1003608, 1115120, 1136160, 1254510, 1338144, 1505412, 1514880, 1672680, 1784192, 1881765, 2007216, 2230240, 2272320, 2509020, 2676288, 3010824, 3345360, 3763530, 4014432, 4460480, 4544640, 5018040, 5352576, 6021648, 6690720, 7527060, 8028864, 8920960, 10036080, 12043296, 13381440, 15054120, 16057728, 20072160, 24086592, 26762880, 30108240, 40144320, 48173184, 60216480, 80288640, 120432960, 240865920]

約数ペア:

[(1, 240865920), (2, 120432960), (3, 80288640), (4, 60216480), (5, 48173184), (6, 40144320), (8, 30108240), (9, 26762880), (10, 24086592), (12, 20072160), (15, 16057728), (16, 15054120), (18, 13381440), (20, 12043296), (24, 10036080), (27, 8920960), (30, 8028864), (32, 7527060), (36, 6690720), (40, 6021648), (45, 5352576), (48, 5018040), (53, 4544640), (54, 4460480), (60, 4014432), (64, 3763530), (72, 3345360), (80, 3010824), (90, 2676288), (96, 2509020), (106, 2272320), (108, 2230240), (120, 2007216), (128, 1881765), (135, 1784192), (144, 1672680), (159, 1514880), (160, 1505412), (180, 1338144), (192, 1254510), (212, 1136160), (216, 1115120), (240, 1003608), (263, 915840), (265, 908928), (270, 892096), (288, 836340), (318, 757440), (320, 752706), (360, 669072), (384, 627255), (424, 568080), (432, 557560), (477, 504960), (480, 501804), (526, 457920), (530, 454464), (540, 446048), (576, 418170), (636, 378720), (640, 376353), (720, 334536), (789, 305280), (795, 302976), (848, 284040), (864, 278780), (954, 252480), (960, 250902), (1052, 228960), (1060, 227232), (1080, 223024), (1152, 209085), (1272, 189360), (1315, 183168), (1431, 168320), (1440, 167268), (1578, 152640), (1590, 151488), (1696, 142020), (1728, 139390), (1908, 126240), (1920, 125451), (2104, 114480), (2120, 113616), (2160, 111512), (2367, 101760), (2385, 100992), (2544, 94680), (2630, 91584), (2862, 84160), (2880, 83634), (3156, 76320), (3180, 75744), (3392, 71010), (3456, 69695), (3816, 63120), (3945, 61056), (4208, 57240), (4240, 56808), (4320, 55756), (4734, 50880), (4770, 50496), (5088, 47340), (5260, 45792), (5724, 42080), (5760, 41817), (6312, 38160), (6360, 37872), (6784, 35505), (7101, 33920), (7155, 33664), (7632, 31560), (7890, 30528), (8416, 28620), (8480, 28404), (8640, 27878), (9468, 25440), (9540, 25248), (10176, 23670), (10520, 22896), (11448, 21040), (11835, 20352), (12624, 19080), (12720, 18936), (13939, 17280), (14202, 16960), (14310, 16832), (15264, 15780)]