2865280880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{66449}}^1$

素因数の和:66487

約数の個数: 120

約数和(自身を含む): 8454034800

約数和(自身を除く): 5588753920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1960, 2156, 2695, 3080, 3920, 4312, 5390, 6160, 8624, 10780, 21560, 43120, 66449, 132898, 265796, 332245, 465143, 531592, 664490, 730939, 930286, 1063184, 1328980, 1461878, 1860572, 2325715, 2657960, 2923756, 3256001, 3654695, 3721144, 4651430, 5116573, 5315920, 5847512, 6512002, 7309390, 7442288, 9302860, 10233146, 11695024, 13024004, 14618780, 16280005, 18605720, 20466292, 25582865, 26048008, 29237560, 32560010, 35816011, 37211440, 40932584, 51165730, 52096016, 58475120, 65120020, 71632022, 81865168, 102331460, 130240040, 143264044, 179080055, 204662920, 260480080, 286528088, 358160110, 409325840, 573056176, 716320220, 1432640440, 2865280880]

約数ペア:

[(1, 2865280880), (2, 1432640440), (4, 716320220), (5, 573056176), (7, 409325840), (8, 358160110), (10, 286528088), (11, 260480080), (14, 204662920), (16, 179080055), (20, 143264044), (22, 130240040), (28, 102331460), (35, 81865168), (40, 71632022), (44, 65120020), (49, 58475120), (55, 52096016), (56, 51165730), (70, 40932584), (77, 37211440), (80, 35816011), (88, 32560010), (98, 29237560), (110, 26048008), (112, 25582865), (140, 20466292), (154, 18605720), (176, 16280005), (196, 14618780), (220, 13024004), (245, 11695024), (280, 10233146), (308, 9302860), (385, 7442288), (392, 7309390), (440, 6512002), (490, 5847512), (539, 5315920), (560, 5116573), (616, 4651430), (770, 3721144), (784, 3654695), (880, 3256001), (980, 2923756), (1078, 2657960), (1232, 2325715), (1540, 1860572), (1960, 1461878), (2156, 1328980), (2695, 1063184), (3080, 930286), (3920, 730939), (4312, 664490), (5390, 531592), (6160, 465143), (8624, 332245), (10780, 265796), (21560, 132898), (43120, 66449)]