440017920

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{1061}}^1$

素因数の和:1098

約数の個数: 220

約数和(自身を含む): 1578261564

約数和(自身を除く): 1138243644

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, 1024, 1061, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2122, 2160, 2304, 2560, 2592, 2880, 3072, 3183, 3240, 3456, 3840, 4244, 4320, 4608, 5120, 5184, 5305, 5760, 6366, 6480, 6912, 7680, 8488, 8640, 9216, 9549, 10368, 10610, 11520, 12732, 12960, 13824, 15360, 15915, 16976, 17280, 19098, 20736, 21220, 23040, 25464, 25920, 27648, 28647, 31830, 33952, 34560, 38196, 41472, 42440, 46080, 47745, 50928, 51840, 57294, 63660, 67904, 69120, 76392, 82944, 84880, 85941, 95490, 101856, 103680, 114588, 127320, 135808, 138240, 143235, 152784, 169760, 171882, 190980, 203712, 207360, 229176, 254640, 271616, 286470, 305568, 339520, 343764, 381960, 407424, 414720, 429705, 458352, 509280, 543232, 572940, 611136, 679040, 687528, 763920, 814848, 859410, 916704, 1018560, 1086464, 1145880, 1222272, 1358080, 1375056, 1527840, 1629696, 1718820, 1833408, 2037120, 2291760, 2444544, 2716160, 2750112, 3055680, 3259392, 3437640, 3666816, 4074240, 4583520, 4889088, 5432320, 5500224, 6111360, 6875280, 7333632, 8148480, 9167040, 9778176, 11000448, 12222720, 13750560, 14667264, 16296960, 18334080, 22000896, 24445440, 27501120, 29334528, 36668160, 44001792, 48890880, 55002240, 73336320, 88003584, 110004480, 146672640, 220008960, 440017920]

約数ペア:

[(1, 440017920), (2, 220008960), (3, 146672640), (4, 110004480), (5, 88003584), (6, 73336320), (8, 55002240), (9, 48890880), (10, 44001792), (12, 36668160), (15, 29334528), (16, 27501120), (18, 24445440), (20, 22000896), (24, 18334080), (27, 16296960), (30, 14667264), (32, 13750560), (36, 12222720), (40, 11000448), (45, 9778176), (48, 9167040), (54, 8148480), (60, 7333632), (64, 6875280), (72, 6111360), (80, 5500224), (81, 5432320), (90, 4889088), (96, 4583520), (108, 4074240), (120, 3666816), (128, 3437640), (135, 3259392), (144, 3055680), (160, 2750112), (162, 2716160), (180, 2444544), (192, 2291760), (216, 2037120), (240, 1833408), (256, 1718820), (270, 1629696), (288, 1527840), (320, 1375056), (324, 1358080), (360, 1222272), (384, 1145880), (405, 1086464), (432, 1018560), (480, 916704), (512, 859410), (540, 814848), (576, 763920), (640, 687528), (648, 679040), (720, 611136), (768, 572940), (810, 543232), (864, 509280), (960, 458352), (1024, 429705), (1061, 414720), (1080, 407424), (1152, 381960), (1280, 343764), (1296, 339520), (1440, 305568), (1536, 286470), (1620, 271616), (1728, 254640), (1920, 229176), (2122, 207360), (2160, 203712), (2304, 190980), (2560, 171882), (2592, 169760), (2880, 152784), (3072, 143235), (3183, 138240), (3240, 135808), (3456, 127320), (3840, 114588), (4244, 103680), (4320, 101856), (4608, 95490), (5120, 85941), (5184, 84880), (5305, 82944), (5760, 76392), (6366, 69120), (6480, 67904), (6912, 63660), (7680, 57294), (8488, 51840), (8640, 50928), (9216, 47745), (9549, 46080), (10368, 42440), (10610, 41472), (11520, 38196), (12732, 34560), (12960, 33952), (13824, 31830), (15360, 28647), (15915, 27648), (16976, 25920), (17280, 25464), (19098, 23040), (20736, 21220)]