256908288

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:962

約数の個数: 176

約数和(自身を含む): 843691520

約数和(自身を除く): 586783232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 256, 273, 312, 336, 364, 384, 416, 448, 512, 546, 624, 672, 728, 768, 832, 896, 919, 1024, 1092, 1248, 1344, 1456, 1536, 1664, 1792, 1838, 2184, 2496, 2688, 2757, 2912, 3072, 3328, 3584, 3676, 4368, 4992, 5376, 5514, 5824, 6433, 6656, 7168, 7352, 8736, 9984, 10752, 11028, 11648, 11947, 12866, 13312, 14704, 17472, 19299, 19968, 21504, 22056, 23296, 23894, 25732, 29408, 34944, 35841, 38598, 39936, 44112, 46592, 47788, 51464, 58816, 69888, 71682, 77196, 83629, 88224, 93184, 95576, 102928, 117632, 139776, 143364, 154392, 167258, 176448, 191152, 205856, 235264, 250887, 279552, 286728, 308784, 334516, 352896, 382304, 411712, 470528, 501774, 573456, 617568, 669032, 705792, 764608, 823424, 941056, 1003548, 1146912, 1235136, 1338064, 1411584, 1529216, 1646848, 2007096, 2293824, 2470272, 2676128, 2823168, 3058432, 3293696, 4014192, 4587648, 4940544, 5352256, 6116864, 6587392, 8028384, 9175296, 9881088, 10704512, 12233728, 16056768, 18350592, 19762176, 21409024, 32113536, 36701184, 42818048, 64227072, 85636096, 128454144, 256908288]

約数ペア:

[(1, 256908288), (2, 128454144), (3, 85636096), (4, 64227072), (6, 42818048), (7, 36701184), (8, 32113536), (12, 21409024), (13, 19762176), (14, 18350592), (16, 16056768), (21, 12233728), (24, 10704512), (26, 9881088), (28, 9175296), (32, 8028384), (39, 6587392), (42, 6116864), (48, 5352256), (52, 4940544), (56, 4587648), (64, 4014192), (78, 3293696), (84, 3058432), (91, 2823168), (96, 2676128), (104, 2470272), (112, 2293824), (128, 2007096), (156, 1646848), (168, 1529216), (182, 1411584), (192, 1338064), (208, 1235136), (224, 1146912), (256, 1003548), (273, 941056), (312, 823424), (336, 764608), (364, 705792), (384, 669032), (416, 617568), (448, 573456), (512, 501774), (546, 470528), (624, 411712), (672, 382304), (728, 352896), (768, 334516), (832, 308784), (896, 286728), (919, 279552), (1024, 250887), (1092, 235264), (1248, 205856), (1344, 191152), (1456, 176448), (1536, 167258), (1664, 154392), (1792, 143364), (1838, 139776), (2184, 117632), (2496, 102928), (2688, 95576), (2757, 93184), (2912, 88224), (3072, 83629), (3328, 77196), (3584, 71682), (3676, 69888), (4368, 58816), (4992, 51464), (5376, 47788), (5514, 46592), (5824, 44112), (6433, 39936), (6656, 38598), (7168, 35841), (7352, 34944), (8736, 29408), (9984, 25732), (10752, 23894), (11028, 23296), (11648, 22056), (11947, 21504), (12866, 19968), (13312, 19299), (14704, 17472)]