256583040

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1169

約数の個数: 256

約数和(自身を含む): 990558720

約数和(自身を除く): 733975680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 272, 280, 320, 336, 340, 357, 384, 408, 420, 448, 476, 480, 510, 544, 560, 595, 640, 672, 680, 714, 816, 840, 896, 952, 960, 1020, 1088, 1120, 1123, 1190, 1344, 1360, 1428, 1632, 1680, 1785, 1904, 1920, 2040, 2176, 2240, 2246, 2380, 2688, 2720, 2856, 3264, 3360, 3369, 3570, 3808, 4080, 4480, 4492, 4760, 5440, 5615, 5712, 6528, 6720, 6738, 7140, 7616, 7861, 8160, 8984, 9520, 10880, 11230, 11424, 13440, 13476, 14280, 15232, 15722, 16320, 16845, 17968, 19040, 19091, 22460, 22848, 23583, 26952, 28560, 31444, 32640, 33690, 35936, 38080, 38182, 39305, 44920, 45696, 47166, 53904, 57120, 57273, 62888, 67380, 71872, 76160, 76364, 78610, 89840, 94332, 95455, 107808, 114240, 114546, 117915, 125776, 133637, 134760, 143744, 152728, 157220, 179680, 188664, 190910, 215616, 228480, 229092, 235830, 251552, 267274, 269520, 286365, 305456, 314440, 359360, 377328, 381820, 400911, 431232, 458184, 471660, 503104, 534548, 539040, 572730, 610912, 628880, 668185, 718720, 754656, 763640, 801822, 916368, 943320, 1006208, 1069096, 1078080, 1145460, 1221824, 1257760, 1336370, 1509312, 1527280, 1603644, 1832736, 1886640, 2004555, 2138192, 2156160, 2290920, 2443648, 2515520, 2672740, 3018624, 3054560, 3207288, 3665472, 3773280, 4009110, 4276384, 4581840, 5031040, 5345480, 6109120, 6414576, 7330944, 7546560, 8018220, 8552768, 9163680, 10690960, 12218240, 12829152, 15093120, 16036440, 17105536, 18327360, 21381920, 25658304, 32072880, 36654720, 42763840, 51316608, 64145760, 85527680, 128291520, 256583040]

約数ペア:

[(1, 256583040), (2, 128291520), (3, 85527680), (4, 64145760), (5, 51316608), (6, 42763840), (7, 36654720), (8, 32072880), (10, 25658304), (12, 21381920), (14, 18327360), (15, 17105536), (16, 16036440), (17, 15093120), (20, 12829152), (21, 12218240), (24, 10690960), (28, 9163680), (30, 8552768), (32, 8018220), (34, 7546560), (35, 7330944), (40, 6414576), (42, 6109120), (48, 5345480), (51, 5031040), (56, 4581840), (60, 4276384), (64, 4009110), (68, 3773280), (70, 3665472), (80, 3207288), (84, 3054560), (85, 3018624), (96, 2672740), (102, 2515520), (105, 2443648), (112, 2290920), (119, 2156160), (120, 2138192), (128, 2004555), (136, 1886640), (140, 1832736), (160, 1603644), (168, 1527280), (170, 1509312), (192, 1336370), (204, 1257760), (210, 1221824), (224, 1145460), (238, 1078080), (240, 1069096), (255, 1006208), (272, 943320), (280, 916368), (320, 801822), (336, 763640), (340, 754656), (357, 718720), (384, 668185), (408, 628880), (420, 610912), (448, 572730), (476, 539040), (480, 534548), (510, 503104), (544, 471660), (560, 458184), (595, 431232), (640, 400911), (672, 381820), (680, 377328), (714, 359360), (816, 314440), (840, 305456), (896, 286365), (952, 269520), (960, 267274), (1020, 251552), (1088, 235830), (1120, 229092), (1123, 228480), (1190, 215616), (1344, 190910), (1360, 188664), (1428, 179680), (1632, 157220), (1680, 152728), (1785, 143744), (1904, 134760), (1920, 133637), (2040, 125776), (2176, 117915), (2240, 114546), (2246, 114240), (2380, 107808), (2688, 95455), (2720, 94332), (2856, 89840), (3264, 78610), (3360, 76364), (3369, 76160), (3570, 71872), (3808, 67380), (4080, 62888), (4480, 57273), (4492, 57120), (4760, 53904), (5440, 47166), (5615, 45696), (5712, 44920), (6528, 39305), (6720, 38182), (6738, 38080), (7140, 35936), (7616, 33690), (7861, 32640), (8160, 31444), (8984, 28560), (9520, 26952), (10880, 23583), (11230, 22848), (11424, 22460), (13440, 19091), (13476, 19040), (14280, 17968), (15232, 16845), (15722, 16320)]