256563216

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2797}}^1$

素因数の和:2838

約数の個数: 180

約数和(自身を含む): 899820012

約数和(自身を除く): 643256796

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 196, 208, 234, 252, 273, 294, 312, 336, 364, 392, 441, 468, 504, 546, 588, 624, 637, 728, 784, 819, 882, 936, 1008, 1092, 1176, 1274, 1456, 1638, 1764, 1872, 1911, 2184, 2352, 2548, 2797, 3276, 3528, 3822, 4368, 5096, 5594, 5733, 6552, 7056, 7644, 8391, 10192, 11188, 11466, 13104, 15288, 16782, 19579, 22376, 22932, 25173, 30576, 33564, 36361, 39158, 44752, 45864, 50346, 58737, 67128, 72722, 78316, 91728, 100692, 109083, 117474, 134256, 137053, 145444, 156632, 176211, 201384, 218166, 234948, 254527, 274106, 290888, 313264, 327249, 352422, 402768, 411159, 436332, 469896, 509054, 548212, 581776, 654498, 704844, 763581, 822318, 872664, 939792, 1018108, 1096424, 1233477, 1308996, 1409688, 1527162, 1644636, 1745328, 1781689, 2036216, 2192848, 2290743, 2466954, 2617992, 2819376, 3054324, 3289272, 3563378, 4072432, 4581486, 4933908, 5235984, 5345067, 6108648, 6578544, 7126756, 9162972, 9867816, 10690134, 12217296, 14253512, 16035201, 18325944, 19735632, 21380268, 28507024, 32070402, 36651888, 42760536, 64140804, 85521072, 128281608, 256563216]

約数ペア:

[(1, 256563216), (2, 128281608), (3, 85521072), (4, 64140804), (6, 42760536), (7, 36651888), (8, 32070402), (9, 28507024), (12, 21380268), (13, 19735632), (14, 18325944), (16, 16035201), (18, 14253512), (21, 12217296), (24, 10690134), (26, 9867816), (28, 9162972), (36, 7126756), (39, 6578544), (42, 6108648), (48, 5345067), (49, 5235984), (52, 4933908), (56, 4581486), (63, 4072432), (72, 3563378), (78, 3289272), (84, 3054324), (91, 2819376), (98, 2617992), (104, 2466954), (112, 2290743), (117, 2192848), (126, 2036216), (144, 1781689), (147, 1745328), (156, 1644636), (168, 1527162), (182, 1409688), (196, 1308996), (208, 1233477), (234, 1096424), (252, 1018108), (273, 939792), (294, 872664), (312, 822318), (336, 763581), (364, 704844), (392, 654498), (441, 581776), (468, 548212), (504, 509054), (546, 469896), (588, 436332), (624, 411159), (637, 402768), (728, 352422), (784, 327249), (819, 313264), (882, 290888), (936, 274106), (1008, 254527), (1092, 234948), (1176, 218166), (1274, 201384), (1456, 176211), (1638, 156632), (1764, 145444), (1872, 137053), (1911, 134256), (2184, 117474), (2352, 109083), (2548, 100692), (2797, 91728), (3276, 78316), (3528, 72722), (3822, 67128), (4368, 58737), (5096, 50346), (5594, 45864), (5733, 44752), (6552, 39158), (7056, 36361), (7644, 33564), (8391, 30576), (10192, 25173), (11188, 22932), (11466, 22376), (13104, 19579), (15288, 16782)]