257576592

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:681

約数の個数: 160

約数和(自身を含む): 828002560

約数和(自身を除く): 570425968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 109, 112, 156, 168, 182, 208, 218, 273, 312, 327, 336, 364, 436, 541, 546, 624, 654, 728, 763, 872, 1082, 1092, 1308, 1417, 1456, 1526, 1623, 1744, 2164, 2184, 2289, 2616, 2834, 3052, 3246, 3787, 4251, 4328, 4368, 4578, 5232, 5668, 6104, 6492, 7033, 7574, 8502, 8656, 9156, 9919, 11336, 11361, 12208, 12984, 14066, 15148, 17004, 18312, 19838, 21099, 22672, 22722, 25968, 28132, 29757, 30296, 34008, 36624, 39676, 42198, 45444, 49231, 56264, 58969, 59514, 60592, 68016, 79352, 84396, 90888, 98462, 112528, 117938, 119028, 147693, 158704, 168792, 176907, 181776, 196924, 235876, 238056, 295386, 337584, 353814, 393848, 412783, 471752, 476112, 590772, 707628, 766597, 787696, 825566, 943504, 1181544, 1238349, 1415256, 1533194, 1651132, 2299791, 2363088, 2476698, 2830512, 3066388, 3302264, 4599582, 4953396, 5366179, 6132776, 6604528, 9199164, 9906792, 10732358, 12265552, 16098537, 18398328, 19813584, 21464716, 32197074, 36796656, 42929432, 64394148, 85858864, 128788296, 257576592]

約数ペア:

[(1, 257576592), (2, 128788296), (3, 85858864), (4, 64394148), (6, 42929432), (7, 36796656), (8, 32197074), (12, 21464716), (13, 19813584), (14, 18398328), (16, 16098537), (21, 12265552), (24, 10732358), (26, 9906792), (28, 9199164), (39, 6604528), (42, 6132776), (48, 5366179), (52, 4953396), (56, 4599582), (78, 3302264), (84, 3066388), (91, 2830512), (104, 2476698), (109, 2363088), (112, 2299791), (156, 1651132), (168, 1533194), (182, 1415256), (208, 1238349), (218, 1181544), (273, 943504), (312, 825566), (327, 787696), (336, 766597), (364, 707628), (436, 590772), (541, 476112), (546, 471752), (624, 412783), (654, 393848), (728, 353814), (763, 337584), (872, 295386), (1082, 238056), (1092, 235876), (1308, 196924), (1417, 181776), (1456, 176907), (1526, 168792), (1623, 158704), (1744, 147693), (2164, 119028), (2184, 117938), (2289, 112528), (2616, 98462), (2834, 90888), (3052, 84396), (3246, 79352), (3787, 68016), (4251, 60592), (4328, 59514), (4368, 58969), (4578, 56264), (5232, 49231), (5668, 45444), (6104, 42198), (6492, 39676), (7033, 36624), (7574, 34008), (8502, 30296), (8656, 29757), (9156, 28132), (9919, 25968), (11336, 22722), (11361, 22672), (12208, 21099), (12984, 19838), (14066, 18312), (15148, 17004)]