256353552

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6521}}^1$

素因数の和:6558

約数の個数: 160

約数和(自身を含む): 905775360

約数和(自身を除く): 649421808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 234, 252, 273, 312, 336, 351, 364, 378, 432, 468, 504, 546, 624, 702, 728, 756, 819, 936, 1008, 1092, 1404, 1456, 1512, 1638, 1872, 2184, 2457, 2808, 3024, 3276, 4368, 4914, 5616, 6521, 6552, 9828, 13042, 13104, 19563, 19656, 26084, 39126, 39312, 45647, 52168, 58689, 78252, 84773, 91294, 104336, 117378, 136941, 156504, 169546, 176067, 182588, 234756, 254319, 273882, 313008, 339092, 352134, 365176, 410823, 469512, 508638, 547764, 593411, 678184, 704268, 730352, 762957, 821646, 939024, 1017276, 1095528, 1186822, 1232469, 1356368, 1408536, 1525914, 1643292, 1780233, 2034552, 2191056, 2288871, 2373644, 2464938, 2817072, 3051828, 3286584, 3560466, 4069104, 4577742, 4747288, 4929876, 5340699, 6103656, 6573168, 7120932, 9155484, 9494576, 9859752, 10681398, 12207312, 14241864, 16022097, 18310968, 19719504, 21362796, 28483728, 32044194, 36621936, 42725592, 64088388, 85451184, 128176776, 256353552]

約数ペア:

[(1, 256353552), (2, 128176776), (3, 85451184), (4, 64088388), (6, 42725592), (7, 36621936), (8, 32044194), (9, 28483728), (12, 21362796), (13, 19719504), (14, 18310968), (16, 16022097), (18, 14241864), (21, 12207312), (24, 10681398), (26, 9859752), (27, 9494576), (28, 9155484), (36, 7120932), (39, 6573168), (42, 6103656), (48, 5340699), (52, 4929876), (54, 4747288), (56, 4577742), (63, 4069104), (72, 3560466), (78, 3286584), (84, 3051828), (91, 2817072), (104, 2464938), (108, 2373644), (112, 2288871), (117, 2191056), (126, 2034552), (144, 1780233), (156, 1643292), (168, 1525914), (182, 1408536), (189, 1356368), (208, 1232469), (216, 1186822), (234, 1095528), (252, 1017276), (273, 939024), (312, 821646), (336, 762957), (351, 730352), (364, 704268), (378, 678184), (432, 593411), (468, 547764), (504, 508638), (546, 469512), (624, 410823), (702, 365176), (728, 352134), (756, 339092), (819, 313008), (936, 273882), (1008, 254319), (1092, 234756), (1404, 182588), (1456, 176067), (1512, 169546), (1638, 156504), (1872, 136941), (2184, 117378), (2457, 104336), (2808, 91294), (3024, 84773), (3276, 78252), (4368, 58689), (4914, 52168), (5616, 45647), (6521, 39312), (6552, 39126), (9828, 26084), (13042, 19656), (13104, 19563)]