256419072

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1223}}^1$

素因数の和:1265

約数の個数: 216

約数和(自身を含む): 910675584

約数和(自身を除く): 654256512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 128, 144, 156, 168, 182, 192, 208, 224, 234, 252, 256, 273, 288, 312, 336, 364, 384, 416, 448, 468, 504, 546, 576, 624, 672, 728, 768, 819, 832, 896, 936, 1008, 1092, 1152, 1223, 1248, 1344, 1456, 1638, 1664, 1792, 1872, 2016, 2184, 2304, 2446, 2496, 2688, 2912, 3276, 3328, 3669, 3744, 4032, 4368, 4892, 4992, 5376, 5824, 6552, 7338, 7488, 8064, 8561, 8736, 9784, 9984, 11007, 11648, 13104, 14676, 14976, 15899, 16128, 17122, 17472, 19568, 22014, 23296, 25683, 26208, 29352, 29952, 31798, 34244, 34944, 39136, 44028, 47697, 51366, 52416, 58704, 63596, 68488, 69888, 77049, 78272, 88056, 95394, 102732, 104832, 111293, 117408, 127192, 136976, 143091, 154098, 156544, 176112, 190788, 205464, 209664, 222586, 234816, 254384, 273952, 286182, 308196, 313088, 333879, 352224, 381576, 410928, 445172, 469632, 508768, 547904, 572364, 616392, 667758, 704448, 763152, 821856, 890344, 939264, 1001637, 1017536, 1095808, 1144728, 1232784, 1335516, 1408896, 1526304, 1643712, 1780688, 2003274, 2035072, 2191616, 2289456, 2465568, 2671032, 2817792, 3052608, 3287424, 3561376, 4006548, 4070144, 4578912, 4931136, 5342064, 6105216, 6574848, 7122752, 8013096, 9157824, 9862272, 10684128, 12210432, 14245504, 16026192, 18315648, 19724544, 21368256, 28491008, 32052384, 36631296, 42736512, 64104768, 85473024, 128209536, 256419072]

約数ペア:

[(1, 256419072), (2, 128209536), (3, 85473024), (4, 64104768), (6, 42736512), (7, 36631296), (8, 32052384), (9, 28491008), (12, 21368256), (13, 19724544), (14, 18315648), (16, 16026192), (18, 14245504), (21, 12210432), (24, 10684128), (26, 9862272), (28, 9157824), (32, 8013096), (36, 7122752), (39, 6574848), (42, 6105216), (48, 5342064), (52, 4931136), (56, 4578912), (63, 4070144), (64, 4006548), (72, 3561376), (78, 3287424), (84, 3052608), (91, 2817792), (96, 2671032), (104, 2465568), (112, 2289456), (117, 2191616), (126, 2035072), (128, 2003274), (144, 1780688), (156, 1643712), (168, 1526304), (182, 1408896), (192, 1335516), (208, 1232784), (224, 1144728), (234, 1095808), (252, 1017536), (256, 1001637), (273, 939264), (288, 890344), (312, 821856), (336, 763152), (364, 704448), (384, 667758), (416, 616392), (448, 572364), (468, 547904), (504, 508768), (546, 469632), (576, 445172), (624, 410928), (672, 381576), (728, 352224), (768, 333879), (819, 313088), (832, 308196), (896, 286182), (936, 273952), (1008, 254384), (1092, 234816), (1152, 222586), (1223, 209664), (1248, 205464), (1344, 190788), (1456, 176112), (1638, 156544), (1664, 154098), (1792, 143091), (1872, 136976), (2016, 127192), (2184, 117408), (2304, 111293), (2446, 104832), (2496, 102732), (2688, 95394), (2912, 88056), (3276, 78272), (3328, 77049), (3669, 69888), (3744, 68488), (4032, 63596), (4368, 58704), (4892, 52416), (4992, 51366), (5376, 47697), (5824, 44028), (6552, 39136), (7338, 34944), (7488, 34244), (8064, 31798), (8561, 29952), (8736, 29352), (9784, 26208), (9984, 25683), (11007, 23296), (11648, 22014), (13104, 19568), (14676, 17472), (14976, 17122), (15899, 16128)]